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The NDB322-W Wi-Fi Video Doorbell brings reliable protection to your doorstep. Enjoy high-quality video chats with visitors and keep an eye on what’s happening at your front door any hour of the day using your smartphone.

Platinum, Enterprise Level, 256-Channel NVR, RAID, 3U, Supports 16 x SATA HDDs at up to 10 TB each (no pre-installed storage

1/2.9" Progressive Scan CMOS, 3072 × 2048@20fps, 2.8 to 12 mm varifocal lens, Color: 0.018 Lux @ (F1.6, AGC ON), 0 Lux with IR, H.265+, H.265, H.264+, H.264, Three streams, 2 Behavior analyses, 120dB WDR, BLC/3D NR/ROI/HLC, IP67, IK10, Built-in micro SD/SDHC/SDXC card slot up to 128 GB, 3-Axis adjustment, IR range: Up to 98ft(30 m), Anti-IR reflection. Junction Box Included.

H.265/H.265+ 16CH DVR, 4/1 RCA I/O, 5 in 1, Up to 4K/8MP HD-TVI input, Support Live View, Storage, Playback up to 16 HD-TVI/Analog Cameras, Up to 4k HDMI Video Output, CVBS Output, 2SATA up to 16TB each HDD, 2 USB 2.0

Discontinued. Ultra-Low Light Platinum 5 MP TVI Camera, High Performance CMOS Sensor, 4-in-1 Video Output, OSD Menu via UTC Technology with Platinum DVR, Junction Box Included

H.264 & Dual Stream Video Compression, 2U Case support up to 8 SATA and 48TB, Bonus: add up to 16 IP cameras, Supports 24CH Simultaneous Playback, 16 / 1 CH Audio I/O, 16 / 8 CH Alarm I/O, 2 Network Ports, 2 HDMI Interface (1 Spot Out), Supports 8 POS, Supports IP, HD-TVI, and Analog Cameras

Discontinued. 5 MP, 2560 × 1944 Resolution, 2.8 mm, 3.6 mm Fixed Focal Lens, Smart IR with Range up to 98 ft (30 m), 4-in-1 Video Output (TVI / AHD / CVI / CVBS), IP67

Discontinued. 2 MP high performance CMOS, Ultra-low light, 1920 × 1080 resolution, 3.6 mm fixed focal lens, 130 dB true WDR, 3D DNR, Matrix IR 2.0, smart IR, up to 197ft(60 m) IR distance, 4 in 1 video output (switchable TVI/AHD/CVI/CVBS) , IP67, OSD Menu via UTC technology with Platinum DVR