Features： 1、Compatibility: Specifically designed for Xiaomi Pro 4 MI4, the BT circuit board offers a reliable connectivity. It is a great choice for enhancing the functionality of your electric scooter. 2、Waterproof PCB: Made of premium PCB, the electric scooter BT circuit board is not only durable but also waterproof, ensuring reliable performance even in wet conditions. It also offers excellent oxidation resistance. 3、Clear Display: After installing this electric scooter Bluetooth dashboard circuit board, you can clearly see the power and speed on the real time display data panel, cool and clear display. 4、Perfect Fit: The circuit board is perfectly compatible and ideal for replacing old or damaged ones on your electric scooter. It provides a seamless fit and ensures optimal performance. 5、Easy Installation: The electric scooter dashboard circuit board is designed for hassle free installation and can be smoothly installed within a few minutes, allowing for convenient upgrade. Specification： Item Type: Electric Scooter Dashboard Circuit Board Material: PCB Weight: Approx. 29g/1.0oz Compatibility: Suitable for Xiaomi Pro 4 MI4 Electric Scooter Package List： 1 x Electric Scooter BT Circuit Board