REOLINK 12MP Security Camera System, 4pcs H.265 12 Megapixel UHD 120° FoV PoE Surveillance Cameras, Person Vehicle Pet Detection, Spotlight Color Night Vision, 8CH NVR with 2TB HDD, RLK8-1200B4-A  12MP Ultra HD with 120° Wide-Angle--Professional-grade 12MP security camera delivers 4512×2512 resolution – 6x sharper than 1080p. 120° wide viewing angle monitors driveways/backyards. Full-Colour Dual-Night Vision with Auto-Switch--24/7 colour monitoring: Smart spotlights activate on motion for vivid night colour footage, auto-switching to IR mode when quiet. Adjust sensitivity via Reolink App. Smart AI Person, Vehicle & Pets Detection--Advanced motion detection technology distinguishes between people, vehicles, pets, and irrelevant movements, reducing false alarms and enhancing security. Two-way talk--The 12MP camera in this home security system has a speaker built-in for two-way communication with your family as well as threat deterrence. Simply press a button on Reolink App or Client to talk. 8 PoE Ports + 12-Channel Smart NVR System--Step-by-step expandable: Start with 8 wired cameras, add 4 Reolink Battery Wi-Fi camera. Firmware updates ensure compatibility with new camera models (N7MB01/N3MB01/N2MB02/H3MB18 hardware). Features & Specs Connectivity Technology Wired Video Capture Resolution 12 mp Other Special Features of the Product Human Detection, Night Vision Number of Channels 8 Memory Storage Capacity 2 TB Power Source Corded Electric Operating System iOS, Android, Windows, Mac OS Compatible Devices Cameras, Laptops, Personal Computers, Smartphones, Tablets Signal Format Analog Camera Description Rear Night Vision Night Colour Focal Length Description approximately 2.8 mm (estimated) Night Vision Range 100 Feet Frame Rate 20 FPS Recording Mode Motion Optical Sensor Technology CMOS Total Usb Ports 2 Hardware Interface Ethernet, HDMI, USB, VGA, eSATA Lens Type Fixed Viewing Angle 93 Degrees