Provided with 4-16 sensor input and 1-4 alarm output, we offer optimum quality DVR standalone that is featured with schedule and sensor detection recording and have the ability to record in individual video channel format or quad format. It record video input from the Security Camera/CCTV connected to this Unit and also provide rock-solid, easy-to-use performance which makes it ideal for multi-camera law enforcement, industrial, commercial, and individual applications.