Features1The controller shell is made of highquality metal alloy and has groove design, durable and very sturdy. 2It has good heat dissipation capacity, which can properly protect the internal circuits and avoid thermal overload. 3The brushless motor controller provides stable speed control as well as sensitive control of braking and direction change. 4The brushless motor controller for electric scooters is easy to install and simple to use, and the LCD display handle is suitable for 22.5mm/0.9in handlebars, and it can indicate the power and status of the scooter. 5The maximum current of the USB charging port is 300mA, and can also charge the mobile phone.SpecificationItem Type: Controller and LCD Meter for Electric ScooterMaterial: Aluminum AlloyController Box Size: Approx. 9x5.2x3cm/3.5x2x1.2inPower: 350WCurrent-limiting: 13AMeaning of the Color of Meter Wire:1. Red: Power Positive2. Yellow: Gate Lock3. Blue: Signal Transmission4. Green: Signal Receive5. Black: Cathode Handlebar 6. Brown: Car Light Positive7. White: Car Light NegativeWeight: Approx. 378g/13.3ozPackage List1 x Controller1 x Meter1 x Instruction