4.1 inch hd large screen handsmp5 player card u disk radio reverse audio player radio station with remote control

characteristics: 1. multi-format play 4.1-inch resistant screen. 2. support video formats: rm, rmvb, avi, mp4, mkv, 3gp. three. the external universal rear exit camera can be used to adjust the angle, and the center can be moved. description: the car is connected to the back accelerator automatic switch the reverse image, and the back exit camera. specifications: color: black material: hardware, plastic, electronics screen: 4.1 inch voltage: 12v radio frequency: 87.5m-108m size: 178*