Hikvision 4CH NVR DS-7604NI-Q1/4P 4POE Mic&Speaker IR 4K 8MP IR IP Camera Turret
RTSP and O-N-V-I-F 17.06 compatible with many third-party NVR. 4K resolution 3840 x 2160P. 4-ch 1U 4 PoE 4K NVR DS-7604NI-Q1/4P. Built-in Mic Yes. IR Led 2 pcs Array IR L ed. IR Distance 20- 30M. IP Video Input 4-ch.