One All in one MJPEG 4 CH DVR, 4PCS CCTV Camera,the camera can be chosen according to your need ... monitor,convenient for operationChina Patent NO.200730174963.4Applied in small surveillance area,such as House,Small Super Market,Gas Station,Villa ... ,IR distance;15-25 meters.Day and night sutoswitch. HSP01A Home cctv kit and surveillance kit