1. Made of ABS, durable. 2. Simple installation, plug and play. 3. Dedicated 3-pin thread for large screen host 4. The interface is a unified standard size, and the interface is 4 pins 5. Generally installed in the glove box (stuff box) of the main and co-pilots or in the hand-held box, please find the location by yourself to dig holes for installation 6. Suitable for BMW E39 E46 E38 E53 X5
