U.S. buyer attention: The areas where the US warehouse does not deliver goods are: Hawaii, Alaska, Puerto Rico, Guam and other US overseas territories. And the military address. Spanish buyers attention: if your address includes following postal code please do not choose the Spanish warehouse. The zip code starts with 51/52/07/35/38/28. Overseas warehouse cannot be delivered. This product is only suitable for the original car's own electric rearview mirror (with folding buttons) The main function: 1. It can be equipped with existing electronic systems and other safety devices. 2. After the door is opened, the front and rear mirrors of the car will start automatically; 3. When the ACC and the door are closed, the rear view mirror will automatically fold. Automatic folding: 1. When the ACC is closed, the rear view mirror is automatically retracted after the central locking is locked for 5 seconds; 2. When the lock is unlocked, the mirror opens automatically. 3. When the ACC is on, the mirror folding system is off by default. 4. Only the switch on the original rear view mirror can be controlled Smart mode: If the central locking unlock green line is not connected, the system will enter smart mode, and the rear view mirrors on both sides will automatically expand after ACC is turned on. Automatic protection: If the door is frequently opened and closed, the system stops working. Specifications: Weight: 119g Size: 60*50*30mm/2.36*1.96*1.18'' Note: Please confirm that the mirror switch is open to ensure the normal operation of the system. Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item.Thanks for your understanding. 1 x Main Body 1 x Connecting Cable 1 x User Manual