1、Solve the needs of the side blind zone and match the 99% dual-channel recorder on the market. 2、Connect this product to upgrade your two-way recorder to a three-way recorder. 3、We are using 4PIN cable as DVR camera connector. 4、Switch between the side view and the rear view camera screen via the wireless button. 5、Do not need to break the line, just plug it with the recorder and use it. Features: Solve the needs of the side blind zone and match the 99% dual-channel recorder on the market. Connect this product to upgrade your two-way recorder to a three-way recorder. Easy installation, no damage to your car. Switch between the side view and the rear view camera screen via the wireless button. Do not need to break the line, just plug it with the recorder and use it. Side view camera is easily connected through the door. Wireless switch controls side view camera, and the side view camera video can also be recoded. We are using 4PIN cable as DVR camera connector. The side view camera is night vision, which is convenient for recording at night. Specifications: Condition: Brand New Color: Show as Picture Material: ABS Package List: 1 * Side View Camera 1 * Main Shell 1 * Wireless Remote Control 1 * Video Extension Cable 1 * Headphone Extension Cord 2 * Instruction Manual