Hikvision iDS-7204HQHI-M1/FA 4-ch 1080p 1U H.265 AcuSense DVR, 4 channels and 1 HDD 1U AcuSense DVR, Supports facial recognition or false alarm reduction based on deep learning algorithm, Supports face picture comparison and face picture search, Human/Vehicle Analysis: Up to 2-ch, Up to 16 face picture libraries, with up to 500 face pictures in total, Efficient H.265 pro+ compression technology, Encoding ability up to 1080p @ 15 fps, 5 signals input adaptively (HDTVI/AHD/CVI/CVBS/IP), Up to 6 network cameras can be connected in Enhanced IP Mode, 12 VDC, 1.5 A.