| Revew | Portable PTZ Camera DAHUA PTZ4M231-HNR-GA-GHWThe DAHUA PTZ4M231-HNR-GA-GHW is a WizMind portable PTZ camera for fast deployment on construction sites, at events and in areas with no fixed infrastructure. A 1/1.8" 2MP STARVIS sensor with Starlight+ and 31x optical zoom (6-186 mm) identifies a person at about 256 m, and IR lights up to 100 m at night. The camera rotates 360 degrees endlessly and tracks targets automatically. Connectivity is flexible: two SIM cards for 4G, 2.4 and 5 GHz Wi-Fi, access point mode, Bluetooth and a wired network port. Video is stored on two MicroSD cards, and a 1.3-inch OLED screen shows device status. The system ships in an aluminium trolley case with a power adapter, mounting plate and cables; the lithium battery, tripod and base charger are optional accessories. 
Key features- 31x optical zoom - 6-186 mm lens with 59.8° to 2.8° field of view, Starlight+ down to 0.001 lux in colour, 140dB true WDR and electronic image stabilisation.
- Night vision up to 100 m - 3 IR lights with zoom-priority control, and DORI distances: detect up to 2,565 m, observe up to 1,013 m, recognise up to 513 m and identify up to 256 m.
- AI and auto tracking - Auto Tracking 3.0, perimeter protection (tripwire, intrusion, loitering, abandoned object), face detection, video metadata and SMD 4.0.
- Construction site monitoring - Helmet detection with 6 helmet colours, workwear compliance, lone worker and absence alarms.
- Connected anywhere - Dual SIM 4G (LTE), 802.11ac Wi-Fi at 2.4/5 GHz, access point mode, Bluetooth and RJ45. Two-way talk with built-in microphone and speaker and 27 types of sound alarm.
- Portable and rugged - Aluminium and magnesium IP66 housing with TVS 6000V lightning protection, -20°C to +55°C operation, up to 10 hours with the optional battery and a trolley case for carrying.
Specifications| Manufacturer | DAHUA | | Model | DH-PTZ4M231-HNR-GA-GHW | | Series | WizMind | | Sensor | 1/1.8" STARVIS CMOS, 2MP (1920x1080) | | Lens | 6-186 mm, F1.6-F4.0, 31x optical, 16x digital zoom | | Field of view | H: 59.8°-2.8° | | Minimum illumination | Colour 0.001 lux, B/W 0.0001 lux, 0 lux with IR | | IR range | Up to 100 m | | Pan/tilt | 360° endless / -90° to +30°, 300 presets | | WDR | 140 dB | | Analytics | Auto Tracking 3.0, perimeter protection, face detection, video metadata, SMD 4.0, construction monitoring | | Compression | Smart H.265+, H.265, Smart H.264+, H.264, MJPEG | | Connectivity | Dual 4G (SIM1/SIM2), Wi-Fi 2.4/5 GHz, AP, Bluetooth, RJ45 10/100 | | Storage | 2 x MicroSD up to 512GB, FTP/SFTP, NAS | | Interfaces | Audio 1/1, alarm 1/1, RS-485, 1.3" OLED screen | | Power | 12 VDC, 5 A (adapter included), optional 14Ah/7.2V battery | | Power consumption | Basic 8W, max 38W | | Protection | IP66, TVS 6000V | | Dimensions | Camera Φ160 x 265 mm; case 480 x 350 x 220 mm | | Weight | Camera 3.8 kg, gross 12.5 kg |
In the box- PTZ camera
- Aluminium trolley case
- Mounting plate
- Power adapter and power cord
- 12-core aviation connector cable
- Steel wire rope
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