Hanwha QNP-6250H vs i-PRO S66300-Z4L: Specification Comparison
Both the Hanwha QNP-6250H and the i-PRO WV-S66300-Z4L are 2MP outdoor PTZ dome cameras targeting high-security perimeter and wide-area surveillance installations. They share the same resolution class, PTZ form factor, IP66/IK10 ratings, and ONVIF compliance, making them direct cross-shop candidates for integrators evaluating a mid-range versus premium PTZ tier. The comparison covers imaging optics and low-light performance, installation and environmental suitability, and VMS/analytics integration depth.
In This Guide
How do the imaging specs compare?
Both cameras use a 1/2.8" CMOS sensor at 1920×1080 resolution. The QNP-6250H delivers a 25x optical zoom (4.44–111 mm, F1.6–F3.9) with a combined digital total of 800x, while the WV-S66300-Z4L offers a 40x optical zoom (4.25–170 mm, F1.6–F4.95) extending to 60x digital at 1280×720. That wider telephoto reach translates directly into DORI: at tele, the S66300-Z4L detects at 2,199.9 m versus 1,471.3 m for the QNP-6250H—a 49% advantage in detection range. Wide-end detection is essentially identical (60.3 m vs. 60.7 m).
In low light, the QNP-6250H specifies 0.05 lux color / 0.005 lux B/W, while the S66300-Z4L lists 0.006 lux (B/W, F1.6, 1/30s)—a lower threshold but only a B/W figure is provided, so a direct color comparison is not possible from the supplied specs. WDR is 120 dB on the QNP-6250H versus a maximum 144 dB on the S66300-Z4L (Super Dynamic, level 31). The S66300-Z4L adds 350 m IR illumination (30 IRE); the QNP-6250H lists IR Night Vision as 'Yes' but specifies no IR emitter length or LED count in its spec sheet—IR Viewable Length fields are populated as 'None.' Both include built-in gyro-based digital image stabilization and ICR day/night switching.
What about installation and environment?
Both cameras carry IP66, IK10, and outdoor ratings. Operating temperature differs significantly: the QNP-6250H is rated -35°C to +55°C, while the S66300-Z4L operates from -50°C to +60°C, giving it a wider cold-end margin of 15°C—relevant for northern or high-altitude deployments. The S66300-Z4L also specifies wind resistance up to 40 m/s (~89 mph). Humidity tolerance is 0–95% RH (non-condensing) for the QNP-6250H and 10–100% (no condensation) for the S66300-Z4L per supplied specs.
Power requirements diverge substantially. The QNP-6250H draws PoE+ (802.3at, Class 4, max 23 W), which is supported by the large majority of installed PoE switches. The S66300-Z4L requires PoE++ (802.3bt, 45.9 W), mandating a Class 6 PoE++ switch or midspan injector—an infrastructure cost that must be factored into the installation budget. The QNP-6250H is physically larger (ø204.3×265 mm, 2,700 g) versus the S66300-Z4L (ø167×205 mm, ~3,000 g). Both support conduit entry; the QNP-6250H has a documented accessories ecosystem (SBP-156HMW, SBP-156WMW, SBP-300PMW2, etc.); the S66300-Z4L accessory list is not enumerated in the provided spec data.
Which fits your VMS and analytics better?
Both cameras are ONVIF Profile S/G/T compliant. The QNP-6250H adds ONVIF Profile support via SUNAPI and the Wisenet open platform, and supports up to 20 simultaneous unicast users with up to 10 streaming profiles. The S66300-Z4L supports up to 14 simultaneous users. The QNP-6250H supports NTCIP 1205, which is required for traffic and transportation VMS integrations; the S66300-Z4L does not list NTCIP in the provided specs. Both support SNMPv1/v2c/v3, 802.1X, HTTPS, and microSD edge storage (up to 256 GB specified for the QNP-6250H; card type only—microSDXC—listed for the S66300-Z4L with no stated capacity ceiling).
Analytics depth favors the S66300-Z4L: it specifies AI-based motion, face, people, vehicle, mask, and occupancy detection, plus AI sound classification (gunshot, yell, vehicle horn, glass break), and scene change detection. The QNP-6250H offers directional detection, enter/exit, virtual line, and tampering analytics, with audio detection requiring the optional SPM-4210 I/O box. The S66300-Z4L has integrated audio I/O (4× 3.5 mm audio in, 1× audio out, 3× alarm I/O) and supports G.726, G.711, and AAC-LC compression; the QNP-6250H lists no onboard audio compression and Audio Out as 'None.' Security posture: the S66300-Z4L specifies FIPS 140-2 Level 3; the QNP-6250H does not list a FIPS certification in the provided specs.
Which should you choose: the QNP-6250H or the S66300-Z4L?
Our take: The WV-S66300-Z4L is the stronger choice when maximum telephoto reach, AI analytics depth, integrated audio, and wide-temperature operation are the primary requirements. Its 40x optical zoom extends tele detection to 2,199.9 m versus 1,471.3 m for the QNP-6250H—a 728 m gap—and its 144 dB Super Dynamic WDR exceeds the QNP-6250H's 120 dB rating. Built-in 350 m IR illumination and FIPS 140-2 Level 3 security certification further differentiate it for government or critical-infrastructure deployments. However, the WV-S66300-Z4L demands PoE++ (45.9 W, Class 6), which may require switch or midspan infrastructure upgrades. The QNP-6250H runs on standard PoE+ (Class 4, max 23 W), supports NTCIP 1205 for traffic VMS, and carries a smaller physical footprint. Choose the QNP-6250H for PoE+-constrained or transportation-VMS environments; choose the S66300-Z4L where extended range, AI classification, and audio integration justify the PoE++ infrastructure investment.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | Hanwha QNP-6250H | i-PRO S66300-Z4L |
|---|---|---|
| Resolution | 1920×1080 (2MP) | 1920×1080 (2MP) |
| Image Sensor | 1/2.8" CMOS | Approx. 1/2.8" CMOS |
| Optical Zoom / Focal Length | 25x / 4.44–111 mm | 40x / 4.25–170 mm |
| Digital / Total Zoom | 32x digital / 800x total | Up to 60x digital (at 1280×720) |
| Min. Illumination | 0.05 lux color / 0.005 lux B/W | 0.006 lux B/W (F1.6, 1/30s) |
| IR Range | Not specified in provided specs | 350 m (30 IRE) |
| Wide Dynamic Range | 120 dB | Max. 144 dB (Super Dynamic level 31) |
| Max Frame Rate | 60 fps | Variable (frame rate not numerically specified in provided specs) |
| Video Compression | H.265, H.264 (Main/High), MJPEG | H.265, H.264, MJPEG |
| Audio | No onboard audio I/O (optional SPM-4210 for audio detection) | 4× audio in (3.5 mm), 1× audio out; G.726 / G.711 / AAC-LC |
| Onboard Analytics | Directional, enter/exit, virtual line, tampering | AI: motion, face, people, vehicle, mask, occupancy; AI sound classification |
| IP Rating | IP66 | IP66 |
| Impact Rating | IK10 | IK10 |
| Operating Temperature | -35°C to +55°C | -50°C to +60°C |
| Power Input / PoE Class | PoE+ 802.3at, Class 4, max 23 W | PoE++ 802.3bt, Class 6, 45.9 W |
| Edge Storage | microSD/SDHC/SDXC, 1 slot, max 256 GB | microSDXC (capacity ceiling not specified in provided specs) |
| ONVIF Profiles | S / G / T | G / M / S / T |
| FIPS Certification | Not listed in provided specs | FIPS 140-2 Level 3 |
| Dimensions | ø204.3×265 mm | ø167×205 mm |
| Weight | 2,700 g (5.95 lb) | Approx. 3,000 g |
| Warranty | 3 years | 5 years |
Frequently Asked Questions
Which should you choose: the QNP-6250H or the S66300-Z4L?
The WV-S66300-Z4L is the stronger choice when maximum telephoto reach, AI analytics depth, integrated audio, and wide-temperature operation are the primary requirements. Its 40x optical zoom extends tele detection to 2,199.9 m versus 1,471.3 m for the QNP-6250H—a 728 m gap—and its 144 dB Super Dynamic WDR exceeds the QNP-6250H's 120 dB rating. Built-in 350 m IR illumination and FIPS 140-2 Level 3 security certification further differentiate it for government or critical-infrastructure deployments. However, the WV-S66300-Z4L demands PoE++ (45.9 W, Class 6), which may require switch or midspan infrastructure upgrades. The QNP-6250H runs on standard PoE+ (Class 4, max 23 W), supports NTCIP 1205 for traffic VMS, and carries a smaller physical footprint. Choose the QNP-6250H for PoE+-constrained or transportation-VMS environments; choose the S66300-Z4L where extended range, AI classification, and audio integration justify the PoE++ infrastructure investment.
Is the QNP-6250H or WV-S66300-Z4L better for low-light performance?
Based on provided specs, the WV-S66300-Z4L lists a minimum illumination of 0.006 lux (B/W, F1.6, 1/30s) and built-in 350 m IR illumination. The QNP-6250H specifies 0.005 lux B/W and 0.05 lux color, and lists IR Night Vision as supported, but its spec sheet does not provide an IR range figure or LED details. For confirmed long-range IR illumination with a documented range, the S66300-Z4L has the specified advantage.
Do both cameras work with standard PoE switches, or do I need new infrastructure?
The QNP-6250H uses PoE+ (IEEE 802.3at, Class 4, max 23 W), supported by most current PoE switches. The WV-S66300-Z4L requires PoE++ (IEEE 802.3bt, 45.9 W, Class 6). If your existing switch infrastructure is PoE+ only, deploying the S66300-Z4L will require PoE++ capable switches or midspan injectors, which should be accounted for in the total installation cost.
Which camera has better built-in analytics—the QNP-6250H or the WV-S66300-Z4L?
The WV-S66300-Z4L provides broader onboard AI analytics per its specs: AI-based detection of motion, faces, people, vehicles, masks, and occupancy, plus AI sound classification for gunshot, yell, vehicle horn, and glass break events. The QNP-6250H supports directional detection, enter/exit, virtual line, and tampering, but audio detection requires the optional SPM-4210 I/O accessory box and no AI-class object detection is listed in the provided specifications.
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