High quality imaging with 4 MP resolution (1/2.7" Progressive Scan CMOS). Excellent low-light performance with powered-by-DarkFighter technology. Clear imaging against strong back light due to 120 dB true WDR technology. Efficient H.265+ compression technology. False alarm reduction through human and vehicle target classification based on deep learning. Water and dust resistant (IP67). 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. 12 VDC ± 25%, reverse polarity protection. PoE: 802.3af, class 3. Dimensions: Ø70 x 161.7 mm.