For Scooter Controller Display Bluetooth Circuit Board Kit For Mi4 Ultra Scooter Controller Display Bluetooth Circuit Board Kit Color:As Shown For Mi4 Ultra Display: 1. Applicable models: Model 1: for Electric Scooter 4-ultra Standard Edition Model 2: for Electric Scooter 4-ultra - With Turn Signal Version 2. Can be used independently by simply installing 3. Applicable to foreign customers 4. Cannot connect to the official Mi , with turn signal 5. features, when powered on: (1) the brake 3 times first, then the accelerator 3 times, can turn on or off the cruise control (2) the accelerator 3 times first, then the brake 3 times, can switch between metric and imperial units. For Mi4 Ultra Controller: 1. Applicable model: for Electric Scooter 4-ultra model 2. Can be used independently or connected to the official app account 3. Suitable for overseas customers 4. Main chip: LKS32 5. Maximum speed: 25 miles per hour Material:PC+Metal Package Contents: 1 * Controller 1 * Display Bluetooth Circuit Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.