1、Made of good quality materials, it provides stable performance and long durability. 2、Adopts advanced chip, ensures silent working and steady speed. 3、Nice cost-saving replacement to the defective parts of your electric scooter. 4、With module compatible with APP, provides more functions to let you enjoy the scooter better. 5、Professional skills and tools needed in installation, please make sure that you can handle it or can get help from the professionals before purchase. Features: Made of good quality materials, it provides stable performance and long durability. Adopts advanced chip, ensures silent working and steady speed. Nice cost-saving replacement to the defective parts of your electric scooter. With module compatible with APP, provides more functions to let you enjoy the scooter better. Professional skills and tools needed in installation, please make sure that you can handle it or can get help from the professionals before purchase. Specification: Fitment: for Xiaomi Ninebot mini electric scooter APP Compatibility: Supports MINIROBOT Package include: 1 x Motherboard 1 x Electric Buzzer 1 x M3-PAN1-v1.1 Circuit Board 1 x M3-AD-v1.1 Circuit Board 1 x M3-TD-v1.1 Circuit Board 1 x Light 1 x Strip Light 2 x Light Cover 1 x Connecting Cable 1 x Controlling Cable