VSYSTO Vehicle Backup Camera X7 Pro 4CH Truck Dash Cam 7" Monitor Super Infrared Night Vision Waterproof Truck Surveillance DVR Kits for Truck/RV/Trailer/Bus/Vans/Camper.10/20/20/49ft Extension Cable Color::X7 6 preset heat settings for

6 preset heat settings for steeping tea at just the right temperature

Antmoisture layer prevent mist dust

but you need to hook the hook back

the premium double-needle detection technology strongly enhances the speed and accuracy of detecting and analyzing

EASY to use

VSYSTO Vehicle Backup Camera X7 Pro 4CH Truck Dash Cam 7" Monitor Super Infrared Night Vision Waterproof Truck Surveillance DVR Kits for Truck/RV/Trailer/Bus/Vans/Camper.10/20/20/49ft Extension Cable Color::X7 6 preset heat settings forX7 Upgrade Model 1) Reverse Function: Continuously Press the left button or right button twice to display the reverse screen. Backup function will make driver see all rear view. It is more safe. 2) Press the left button to display the left screen, then press the left button again to return to quad image ( right button is the same). if you want to see 2 image display,please use your remote controller. Wireless controller only support Reverse and Turn