VSYSTO 4CH Backup Camera, 7.0'' Monitor Truck Dash Cam Vehicle DVR Front & Sides & Rear VGA Camera for Semi Trailer Truck Van Tractor RV with Infrared Night Vision Lens

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. The recorder has high requirement for SD card speed. Please choose good quality SD Card ^^
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. If the cable is not long enough, you can contact us ^^
Assisted Driving Features: Connect the yellow wire to turning/reverse signal lamp power (12V), the split image will automatically switchover to corresponding camera as independent image when detecting the signal of turning left/right, or reversing. If the extension cable is not long enough, please contact us in time ^^ Auto power on/off with Your
Vehicle Ignition: Power supplied by truck directly. Super capacitor design, without risk of battery explosion and with much longer life; Support G-Sensor emergency recording; Seamless loop recording; Support 10 seconds pre-record function