Motion & Glass Break Detectors

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    Napco GEM-PIR PIR sensor detector mounting bracket and installation components

    Napco GEM-PIR

    Napco GEM-PIR Motion Sensor Detector

    Wireless PIR motion sensor for Napco systems with battery-saver mode

    • GEM-PIR PIR motion sensor with auto temp compensation
    • Battery-saver feature for extended deployment
    • Direct-fit Napco panel integration with screws included
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    Optex FLX-A-AM FLEX Series Motion Detector
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    Optex FLX-A-AM

    Optex FLX-A-AM FLEX Series Motion Detector

    Indoor PIR motion detector with flip lens for wide or narrow coverage

    • Flip-lens indoor PIR toggles wide and narrow detection patterns
    • 12 mA draw - low alarm panel aux power budget impact
    • One SKU covers hallways, rooms, and high-traffic zone needs
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    Optex FLX-A-DAM FLEX Series Motion Detector
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    Optex FLX-A-DAM

    Optex FLX-A-DAM FLEX Series Motion Detector

    Gateway cluster module for multi-site Optex FLX deployments

    • FLEX series add-on cluster module for multi-node gateway scaling
    • Distributed processing and traffic load balancing across the cluster
    • Wall or ceiling mount for large-site security deployments
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    Optex FLX-P-DT FLEX Series Motion Detector

    Optex FLX-P-DT

    Optex FLX-P-DT FLEX Series Motion Detector

    PIR motion detector with 80 ft narrow range and flip lens coverage

    • Flip-lens PIR with dual-tech sensing toggles wide or 80 ft narrow
    • 12 mA draw at 12V DC - low alarm panel power impact
    • One unit covers long hallways or open zones without dual sensors
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    Optex FLX-P-ST FLEX Series Motion Detector
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    Optex FLX-P-ST

    Optex FLX-P-ST FLEX Series Motion Detector

    Indoor PIR motion detector with selectable detection area and IR lowlight

    • Flip-lens PIR motion detector toggles wide and narrow patterns
    • 12 mA draw at 12V DC alarm bus - low aux power budget impact
    • Single SKU adapts to hallway, lobby, and open-room geometries
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    Optex FLX-S-DT FLEX Series Motion Detector

    Optex FLX-S-DT

    Optex FLX-S-DT FLEX Series Motion Detector

    Wall/ceiling PIR motion sensor with selectable detection patterns

    • Flip-lens PIR with dual-tech sensing for false-alarm filtering
    • 12 mA draw extends battery backup runtime on alarm panel supply
    • One unit handles narrow and wide coverage patterns on site
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    Optex FLX-S-ST FLEX Series Motion Detector

    Optex FLX-S-ST

    Optex FLX-S-ST FLEX Series Motion Detector

    Outdoor/indoor motion sensor for residential and light commercial security

    • FLEX series motion detector with infrared low-light operation
    • Indoor and outdoor capable with weather-rated housing
    • Drops onto standard alarm panel zone wiring for motion zones
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    Optex FTN-RAMI Compact Outdoor Motion Detector
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    Optex FTN-RAMI

    Optex FTN-RAMI Compact Outdoor Motion Detector

    Battery-powered outdoor PIR with dual sensors and anti-masking for wireless perimeter security

    • Compact outdoor motion detector with two correlated PIR sensors
    • Dual-PIR correlation rejects small-animal and thermal-drift alarms
    • 3 x 10 mm compact form factor for discreet outdoor placement
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    Optex HX-80NRAMI Network Radar Motion Detector
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    Optex HX-80NRAMI

    Optex HX-80NRAMI Network Radar Motion Detector

    Network radar motion detector for outdoor perimeter monitoring through weather

    • Network radar motion detector works through rain, fog, and temp swings
    • Direct IP integration over standard Ethernet to VMS and access systems
    • ONVIF-aligned output drops into modern video and security platforms
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  • Save $1,779.01
    Optex RLS-50100V Outdoor Infrared Motion Detector
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    Optex RLS-50100V

    Optex RLS-50100V Outdoor Infrared Motion Detector

    Dual-element outdoor IR detector, 30–50 ft range, pet-immune tuning

    • Dual-element outdoor PIR cuts wind and rain false-alarm rates
    • Mounts at 2-4m height on wall or pole for fence-line coverage
    • Outdoor-rated housing for direct rain and sun exposure year-round
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  • Save $137.01
    Optex SL-100TNR Outdoor PIR Motion Detector

    Optex SL-100TNR

    Optex SL-100TNR Outdoor PIR Motion Detector

    Outdoor perimeter sensor with 100-foot range and dual-element PIR

    • Outdoor PIR motion detector with dual-element false-alarm filtering
    • Wall or pole mount for perimeter, fence-line, and yard coverage
    • Weather-sealed enclosure with corrosion-resistant materials
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    Optex SL-100TNRI Outdoor PIR Motion Detector (view 3)

    Optex SL-100TNRI

    Optex SL-100TNRI Outdoor PIR Motion Detector

    Battery-powered outdoor PIR with 30m range and IP65 waterproof rating

    • 30m (100 ft) outdoor PIR for perimeter zone coverage
    • IP65-rated housing - rain, snow, dust, and wash-down tolerant
    • Field-proven in coastal and salt-spray exposure environments
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  • Save $108.01
    Optex SL-200QDM Outdoor PIR Motion Detector

    Optex SL-200QDM

    Optex SL-200QDM Outdoor PIR Motion Detector

    Battery-powered outdoor photoelectric beam for perimeter detection

    • Active infrared photoelectric beam pair for outdoor perimeter detection
    • Point-to-point trip-wire triggers relay closure on beam break
    • IP65 housing - operates -13 to 140 degrees F for year-round use
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    Optex SL-200QDP Outdoor Quad PIR Motion Detector

    Optex SL-200QDP

    Optex SL-200QDP Outdoor Quad PIR Motion Detector

    Quad-element outdoor PIR for fence lines and perimeters, 30–50 ft range

    • Quad-element outdoor PIR rejects vehicle and wind-debris false alarms
    • Wall or fence mount for perimeter and yard coverage zones
    • Compact 11.6 x 2.7 x 4.6 in outdoor-rated housing
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    Optex SL-200QN Outdoor PIR Motion Detector 60m Range
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    Optex SL-200QN

    Optex SL-200QN Outdoor PIR Motion Detector 60m Range

    60m outdoor PIR with quad beams for perimeter security

    • 60m (200 ft) outdoor PIR covers large open areas with one unit
    • 5-30 VDC operation at 40 mA - low aux power budget impact
    • Outdoor-rated housing for fence-line and yard perimeter coverage
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  • Save $156.01
    Optex SL-200TNR Outdoor PIR Motion Detector

    Optex SL-200TNR

    Optex SL-200TNR Outdoor PIR Motion Detector

    Outdoor PIR motion detector with wide perimeter coverage and adjustable sensitivity

    • Outdoor PIR motion detector with weather-rated housing
    • Wall or pole mount for fence-line and yard perimeter coverage
    • PCU-5 power converter included for standard alarm panel integration
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    Optex SL-200TNRI Outdoor PIR Motion Detector
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    Optex SL-200TNRI

    Optex SL-200TNRI Outdoor PIR Motion Detector

    60m outdoor PIR motion detector with IP65 weatherproofing and battery power

    • 60m (200 ft) outdoor PIR with IR low-light dusk operation
    • IP65 sealed enclosure - rain, snow, and dust tolerant year-round
    • Drops onto standard alarm panel zone wiring for perimeter coverage
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    Optex SL-350QDM Outdoor Quad Sensor PIR Motion Detector
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    Optex SL-350QDM

    Optex SL-350QDM Outdoor Quad Sensor PIR Motion Detector

    Quad PIR outdoor motion detector with IP65 rating for perimeter security

    • Quad-sensor outdoor PIR cross-checks signals to cut false alarms
    • 11.6 x 2.7 x 4.6 in housing for fence-line and wall placement
    • IP65-rated build for year-round outdoor exposure
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    Optex SL-350QDP Outdoor PIR Motion Detector
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    Optex SL-350QDP

    Optex SL-350QDP Outdoor PIR Motion Detector

    Quad-element outdoor PIR motion detector with IP65 rating for perimeter security

    • Quad-element outdoor PIR for parallel false-alarm rejection
    • Weather-resistant 11.6 x 2.7 x 4.6 in IP65-rated housing
    • Drops onto standard alarm panel zone wiring for perimeter zones
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    Optex SL-350QFR Outdoor Quad-Element PIR Motion Detector
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    Optex SL-350QFR

    Optex SL-350QFR Outdoor Quad-Element PIR Motion Detector

    Quad-element PIR for perimeter security with thermal noise rejection

    • Quad-element outdoor PIR rejects sun, wind, and thermal transients
    • Fence-post or building-elevation mount for perimeter zone coverage
    • Battery transmitter runs approximately 4 years on 2 cells
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    Optex SL-350QFRI Quad Sensor Outdoor PIR Motion Detector
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    Optex SL-350QFRI

    Optex SL-350QFRI Quad Sensor Outdoor PIR Motion Detector

    Quad-sensor outdoor PIR with IP65 weatherproof housing for perimeter detection

    • Quad pyroelectric outdoor PIR with overlapping detection zones
    • Redundant sensing - lose one element and unit stays operational
    • Battery transmitter runs approximately 4 years on 2 cells
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    Optex SL-350QN Outdoor PIR Motion Detector
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    Optex SL-350QN

    Optex SL-350QN Outdoor PIR Motion Detector

    Quad-sensor outdoor PIR with IP65 rating for perimeter detection

    • Quad PIR outdoor sensor with cross-validation of thermal signatures
    • Perimeter and outdoor mount for fence-line and yard coverage
    • Weather-resistant housing for direct outdoor exposure year-round
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    Optex SL-650QDM Outdoor PIR Motion Detector
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    Optex SL-650QDM

    Optex SL-650QDM Outdoor PIR Motion Detector

    Four-zone outdoor PIR detector for perimeter security coverage

    • Quad-zone outdoor PIR covers four detection zones from one unit
    • Comprehensive perimeter coverage without multiple detector installs
    • IP65-rated 11.6 x 2.7 x 4.6 in housing for direct outdoor exposure
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    Optex SL-650QDP Outdoor PIR Motion Detector
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    Optex SL-650QDP

    Optex SL-650QDP Outdoor PIR Motion Detector

    Quad-element outdoor PIR for long-range perimeter detection

    • Quad-element outdoor PIR with 12VDC hardwired panel integration
    • Long-range perimeter detection across pole, building, and fence posts
    • Outdoor-rated housing for direct rain and sun exposure
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    Optex SL-650QN Outdoor PIR Motion Detector 650ft
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    Optex SL-650QN

    Optex SL-650QN Outdoor PIR Motion Detector 650ft

    200m outdoor PIR with quad beams for large perimeter coverage

    • 650 ft (200m) outdoor PIR covers expansive warehouse perimeters
    • Quad-beam architecture for false-alarm filtering across the zone
    • 5-30 VDC operation at 40 mA - low aux power budget impact
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    Optex VXS-RDAMI Outdoor Radar Motion Detector
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    Optex VXS-RDAMI

    Optex VXS-RDAMI Outdoor Radar Motion Detector

    Microwave radar motion detector for outdoor perimeters and variable temps

    • 10.525 GHz microwave radar plus dual-tech PIR for outdoor zones
    • Penetrates dust, fog, and light precipitation where PIR alone fails
    • Drops onto standard alarm panel zone wiring for outdoor perimeter
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    SDC MD-31DB Request-To-Exit PIR Sensor Controller
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    SDC MD-31DB

    SDC MD-31DB Request-To-Exit PIR Sensor Controller

    4-door PIR exit controller with 250K credential capacity on 30VDC

    • Controls four independent PIR exit points from one controller, reducing panel count and wiring labor.
    • Stores 250,000 credentials onboard, enabling offline operation without a secondary authorization server.
    • Runs on 30VDC and supports OSDP and TCP/IP, fitting directly into standard access control cabinet wiring.
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    STI STI-34752 Wireless Motion Detector 12VDC PIR Sensor

    STI STI-34752

    STI STI-34752 Wireless Outdoor Motion Detector

    • Wireless PIR operates at 12VDC, eliminating cable runs in outdoor perimeter zones.
    • Achieves ~1,000 ft line-of-sight range, enabling flexible placement without conduit.
    • Supports up to 34,752 event records for enterprise-scale multi-zone deployments.
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    STI STI-9620 Motion Detector Damage Stopper (view 2)
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    STI STI-9620

    STI STI-9620 Motion Detector Damage Stopper

    Electronic strike assembly for access control door systems

    • Gauge 9 steel wire with polyester coating resists corrosion in high-traffic areas.
    • Corner-mount design installs tool-free, reducing service time in accessible locations.
    • Wire frame absorbs impact without degrading PIR detector range or sensitivity.
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    STI STI-9621 Motion Detector Damage Stopper Strike
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    STI STI-9621

    STI STI-9621 Motion Detector Damage Stopper Strike

    Motion-integrated damage stopper strike for high-impact access control

    • Integrated motion detection eliminates a separate sensor, cutting wiring runs and labor.
    • Damage stopper strike geometry shields door frame hardware in high-impact environments.
    • Wall and corner mount options support flexible deployment in retrofit or new installations.
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    STI STI-9622 Motion Detector Damage Stopper (view 2)

    STI STI-9622

    STI STI-9622 Motion Detector Damage Stopper

    Motion detector strike for forced-entry protection on access doors

    • Gauge-9 steel wire cage shields PIR detectors from impact without masking the lens.
    • Corrosion-resistant polyester coating suits indoor industrial and light-duty environments.
    • Tool-free removal keeps routine detector maintenance fast with no permanent alterations.
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    STI Wireless Outdoor Motion Detector Alert with Single Channel Slav...

    STI STI-34759

    STI Wireless Outdoor Motion Detector Alert with Single Channel Slav...

    Wireless outdoor motion detector with wired power and remote alerts

    • Single channel slave unit integrates into larger security systems
    • Wired power supply with wireless alert transmission to master unit
    • Rated for outdoor environments in residential and commercial perimeter applications
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    STI STI-V34760 Wireless Outdoor Motion Detector Alert with Voice Receiver - image 1

    STI STI-V34760

    STI Wireless Outdoor Motion Detector Alert with Voice Receiver

    Wireless outdoor PIR motion detector with voice alerts for perimeter security

    • Wireless PIR detection eliminates cable runs for faster outdoor perimeter deployment.
    • Supports up to 34,752 user assignments, scaling across multi-building campus installations.
    • Voice receiver delivers audible zone alerts on 12VDC power for real-time operator notification.
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Motion & Glass Break Detectors

Hardwired PIR, dual-technology, and acoustic glass break detectors for commercial intrusion systems. Ceiling and wall-mount sensors with adjustable coverage patterns, pet immunity, and anti-masking for reliable interior detection.

Plan Your Deployment

  • Select detection technology: PIR, dual-tech (PIR + microwave), or acoustic glass break
  • Define coverage pattern and mount height for each protected zone
  • Evaluate pet immunity weight thresholds for occupied spaces
  • Confirm anti-masking and tamper supervision for high-security areas
  • Plan detector placement to avoid HVAC vents, direct sunlight, and RF interference
Plan Detection Zones Browse Access Control

Motion & Glass Break Detectors — Engineering-Grade Intrusion Detection for Commercial Deployments

This category covers 34 working models of motion & glass break detectors sourced manufacturer-direct or through channel-direct US distribution. Build the rest of your system around the architectural choices below — compatibility, environmental rating, and lifecycle decisions made here propagate through every downstream component you specify.

What to Look For

Detection range and field-of-view drive sensor count. PIR motion sensors cover 30-50 feet at 90-110 degrees indoors; long-range outdoor PIRs reach 150+ feet. Glass-break sensors typically protect a 20-25 foot radius. Match sensor placement to the room geometry and the intrusion paths you're protecting — corners and pet immunity often dictate model choice as much as raw range.

Wired versus wireless changes both reliability and installation cost. Wired sensors give continuous trouble reporting and unlimited battery life but require labor-intensive cable pulls. Wireless sensors install in hours but introduce battery-replacement schedules (typically 3-5 years) and require careful RF planning in steel-and-concrete buildings. Most modern panels accept both transparently.

Environmental immunity matters more in real deployments than detection range. Pet-immune motion sensors ignore animals up to 80-100 lbs; dual-tech (PIR + microwave) sensors resist false alarms from heat sources and air currents. Glass-break sensors discriminate between true breakage acoustics and ambient noise — cheap units false on ordinary household sounds. Choose for false-alarm rate, not just detection sensitivity.

UL listings and code compliance vary by application. UL 1023 covers household-burglar-alarm sensors, UL 639 covers commercial proprietary intrusion. Commercial fire/burglar installations subject to insurance discounts often require ULC-listed (Canada) or UL-listed (US) equipment end-to-end. Confirm the AHJ and insurance requirements before choosing components.

Key Specs in This Category

SpecAvailable Options
ConnectivityWired, Wireless, Gemini wireless (compatible with GEM-K4RF and other Gemini receivers)
Power9-16 VDC
TypeMotion Detector, Sensor, Request-to-Exit Sensor, Mobile Computer, Scanner, Service, Accessory

Top Brands in This Category

Frequently Asked Questions

What's the difference between PIR and microwave motion sensors?

PIR (passive infrared) detects heat differential of a moving body against a static background; reliable, low false-alarm, low power. Microwave detects motion via Doppler shift of reflected RF — sees through windows and walls, useful for outdoor perimeter, but more prone to false alarms from environmental motion. Dual-tech sensors require both PIR and microwave activation simultaneously and are the gold standard for commercial intrusion.

How often do wireless sensor batteries need replacement?

Most lithium-battery wireless sensors run 3-5 years on a single battery. PIR motion sensors with frequent activations sit at the lower end. Door/window contacts with infrequent state changes can reach 7-10 years. Modern panels report low-battery proactively. Schedule preventive battery replacement at year 3 rather than waiting for low-battery alerts to avoid coverage gaps.

Do I need a cellular communicator?

Almost certainly yes for any insurance-grade intrusion system. Phone-line communication is being deprecated as telcos retire copper; broadband IP communication fails if the burglar cuts power or unplugs the router. Cellular communicators (Verizon, AT&T LTE or 5G) provide independent path-of-last-resort. Many insurance discounts and central-station UL listings now require dual-path (IP + cellular) communication.

Can intrusion sensors integrate with my access control system?

Yes — most modern panels expose REST APIs, ONVIF Profile A, or vendor SDKs that bridge intrusion events to access control and video. Integration depth varies: simple arming/disarming from the access platform is broadly supported, while bidirectional event correlation (intrusion alarm causes camera handoff to monitoring) typically requires the same head-end vendor or a middleware product.

What's the typical false-alarm rate for commercial systems?

Well-tuned commercial intrusion systems run under 1 false alarm per zone per year. Single-tech motion sensors with poor placement can hit 10x that. False-alarm reduction starts with sensor placement and continues with two-factor verification (audio, video) before central-station dispatch. Many municipalities fine commercial sites for repeat false alarms — sustained false-alarm rate above 3 per year per address triggers fees in most jurisdictions.

Need help choosing? Talk to a Senior Specialist — direct line 877-277-7147 or request a quote.