1Made of quality material, this product is sturdy and durable. 2This is a central unit that controls almost all scooters. If it burns or is damaged, you should know that it can be easily replaced. 3Suitable for Xiaomi M365 Electric Scooter, perfect fit for the original model. 4Lightweight and small size, easy to install and use. 5When the control unit is connected to the scooter, it will give error 35 (incorrect serial number) and the new control unit needs to be programmed with the skate code. For this, the ST-Link V2 programmer is required. Features:1. Made of quality material, this product is sturdy and durable.2. This is a central unit that controls almost all scooters. If it burns or is damaged, you should know that it can be easily replaced.3. Suitable for Xiaomi M365 Electric Scooter, perfect fit for the original model.4. Lightweight and small size, easy to install and use.5. When the control unit is connected to the scooter, it will give error 35 (incorrect serial number) and the new control unit needs to be programmed with the skate code. For this, the ST-Link V2 programmer is required.Specifications:Condition: 100% Material: Plastic + Stainless SteelFitness: for Xiaomi M365 Electric ScooterLength: Approx. 12cm / 4.7inchWeight: Approx. 200gPackage List:1 x Mainboard