This dashcam is a three channels. I installed it myself last year 

If you guys don’t have one? What are you waiting for?😂
I bought it amazon😂
Link below ⬇️
iwey Dash Cam Front Rear and Inside 1080P Three Channels with IR Night Vision Car Camera SD Card Included Dashboard Camera Dashcam for Cars HDR Motion Detection and G-Sensor for Car, Taxi, Uber