High quality imaging with 2 MP resolution, 1/2.8" Progressive Scan CMOS. Excellent low-light performance with powered-by-DarkFighter technology. Clear imaging against strong back light due to 120 dB WDR technology. Efficient H.265+ compression technology. IR range: Up to 30 m. False alarm reduction through human and vehicle target classification based on deep learning. Built-in microphone for real-time audio security. Water and dust resistant (IP66). 3D DNR technology delivers clean and sharp images. Empowered by deep learning algorithms, HIKVISION™ AcuSense technology brings human or vehicle target classification alarms to front- and back-end devices. The system can greatly reduce false alarms generated by targets other than humans or vehicles, vastly improving alarm efficiency and effectiveness. Built-in micro SD slot, up to 256 GB. Communication Interface: 1 RJ45 10M/100M self-adaptive Ethernet port. Motion detection, video tampering alarm, exception (network disconnected, IP address conflict, illegal login, HDD full, HDD error), scene change detection. Face Capture. Line crossing detection, intrusion detection, region entrance detection, region exiting detection. 12 VDC ± 25%, reverse polarity protection PoE: 802.3af, class 3. Dimension: Ø 138.3 x 126.3 mm.