The system is compatible to the car electric system and security system.Auto folding/unfolding, effective anti-scratching and anti-collision. It can be equipped with the existing electronic system and other safety devices on the car. After the ignition is turned on, the front and rear of the car will automatically expand. When the is closed, the will automatically fold. When the is off, the rear mirror is automatically retracted when the control lock is unlocked. When the is turned on, the rearview on both sides are automatically expanded, and only the switch on the rearview mirror of the original car can be controlled. In the closed state of , the rearview mirror is automatically expanded when the control lock is unlocked. Overload protection, if the door is closed/opened too frequently, the system will stop to fold/unfold the side mirror to the motor of side mirror. Easy installation, no need to change any original car lines and setting,Note: The can only be configured when the original car is equipped with a rearview mirror folding system, otherwise it cannot be configured. Name: Car Rear Mirror Folding System Static current: less than or to 5mA Load current: less than or to 2A Work voltage: 12v +/- 3v Working temperature: -20 Celsius~80 Celsius Suitable car type: 12V car Colour: black Material: plastic Package Contents: 1 x Main Body 1 x Connecting Cable 1 x Manual Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.