USB DVR & 4 Wireless Camera kit 1.Format: PAL/NTSC 2.Resolution: Support 320x240 / 640x480 (NTSC), ... day to record and set up record modes, i.e. sensor alarm record, motion detection record, manual record, Schedule Record. · Motion ... after a certain period, this function is adjustable by users. · Sensor alarm record modeWith extra alarm board, the system enables alarm ...