Storage extension: support SD card up to 32GB; Data interface: AV-OUT / USB 2.0; Audio interface: built-in microphone / speaker; Loop video: pass 2 minutes 5 minutes 10 minutes; Screen Dormancy: 1 minutes 3 minutes; The motion detecting: On/Off; Date: on and off; Recording: on/off; Night mode: taken on / off (infrared lamp on and off); The video resolution: 1920x 1080 1280 x 720 720 x 480 640 x 480; Night vision function: six high power infrared lamp high Angle; Screen sleep mode to save power; Ignition automatic startup shut down automatically power off function automatic exempted from manual operation; Delay start and delay shutdown function prevent damage of the start-up instantaneous pulse current machine