| Sensor | 1/3" progressive scan CMOS |
| Minimum illumination | Colours: 0.01 Lux @ (F1.2, AGC ON), 0.02 Lux @ (F1.6, AGC ON) |
| Shutter speed | From 1/3 s to 1/100, 000 s |
| Slow shutter | Yes |
| Day / Night | IR filter |
| Noise reduction | 3D DNR |
| WDR | 120db |
| Rotation | Horizontal 360°, vertical 75°. |
| Lens |
| Type | Varifocal, 2.8 ~ 12 mm |
| Opening | F1.6 |
| Focus | Automatic |
| Visual angle | Horizontal: 92.8° ~ 29°; vertical: 50.2° ~ 16.4°; diagonal: 109° ~ 32.3° |
| Lens mount | Ø 14 |
| IR |
| Night vision | Up to 30 metres |
| Wavelength | 850nm |
| Compression |
| Video | H.265+/H.265/H.264+/H.264 |
| H.264 | Basic profile / Main profile / High profile |
| H.264+ | Main stream |
| H.265 | Main profile |
| H.265+ | Main stream |
| Bit rate vIdeo | 32 Kbps to 8 Mbps |
| Image |
| Resolution | 4MP |
| Main frame rate | 50Hz: 20fps (2560 × 1440), 25fps (2304 × 1296, 1920 × 1280, 1280 × 720); 60Hz: 20fps (2560 × 1440), 30fps (2304 × 1296, 1920 × 1280, 1280 × 720) |
| Secondary frame rate | 50Hz: 25fps (640 × 480, 640 × 360, 320 × 240); 60Hz: 30fps (640 × 480, 640 × 360, 320 × 240) |
| Image enhancement | BLC, 3D DNR |
| Settings | Saturation, brightness, contrast, sharpness, AGC, white balance adjustable via client software or web browser |
| Day / Night | Automatic, programmed, day, night |
| Network |
| Notices | Motion detection, video tampering, network disconnected, IP address conflict, unauthorised access, HDD error, HDD full |
| Archiving | Integrated support for microSD/SDHC/SDXC cards (128G), local storage, NAS (NFS,SMB/CIFS), ANR |
| Protocols | TCP/IP, ICMP, HTTP, HTTPS, FTP, DHCP, DNS, DDNS, RTP, RTSP, RTCP, NTP, UPnP, SMTP, IGMP, 802.1X, QoS, IPv6, UDP, Bonjou |
| Functions | Restoration, anti-flicker, heartbeat, mirror, password protection, privacy, watermarking |
| API | ONVIF (PROFILE S, PROFILE G), ISAPI |
| Simultaneous display | Up to 6 channels |
| Users / Hosts | Up to 32 users, 3 levels: administrator, operator and user |
| Client | iVMS-4200, Hik-Connect |
| Web browsers | IE8+, Chrome 31.0-44, Firefox 30.0-51 |
| Interface |
| Communication interface | 1 RJ45 10M/100M Ethernet port |
| Integrated storage | Integrated micro SD/SDHC/SDXC slot, up to 128 GB |
| General features |
| Operating temperature | From -30 °C to 60 °C |
| Power supply | 12 VDC ± 25%, 5.5 mm; PoE (802.3af, class 3) |
| Consumption | 12 VDC, 1 A, Max: 11 W; PoE: (802.3af, 36 V ~ 57 V), 0.4 A ~ 0.2 A, Max: 12.5 W |
| IP Rating | IP67 |
| Material | Metal, plastic base |
| Dimensions | Ø 129.4 x 116.4 mm |
| Weight | 435 g |
| Model | HWI-T641H-Z |
| Brand | Hikvision |
