4 channel waterproof cameras: (Front/Left/Right/Rear) for DVR system.120 degree wide angle*4, VGA*4. Auto Turning Detection: Connect with trigger wire, the image will automatically switch over to corresponding camera when detecting the turning left/right signal. Voltage Range From 12-24V DC Power to accommodate a wide variety of vehicle as semi-truck caravan harvester tractor 5th wheel motorhome.

Support up to 128GB (128GB*2): Support up to 128GB Micro SD card(not include), it can hold roughly 10 hours of all 4CH camera videos without overwriting. And it will keep continuously recording of 1/3/5 minutes clips by overwriting the oldest files once the card is full.

Super Night Vision: Infrared camera design (Left/Right/Rear) with IR LED + IR CUT night vision, allows you capture the clear image quality on any condition. Long enough hard wired connection with camera (10’/20’/20’/49’) will provide you stable and high quality video transmission.