Features1 Material: Made of high quality aluminum alloy material, reliable performance, sturdy, durable and long service life. 2Heat Dissoption: The controller shell is made of high quality metal with groove design, which can protect the inner circuit due to good heat dissipation feature to avoid thermal overloading. 3LCD Display: LCD display can clearly show the state and data, backlight enables you to see scree clearly in dim environment. 4Sensitive Control: The brushless motor controller can provide stable speed and sensitive control of braking and direction changes. 5Wide Application: The electric bicycle brushless motor controller is easy to install and use, suitable for 22.5mm/0.89in handlebars.SpecificationItem Type:MotorBrushlessControllerLCDDisplayMaterial: Aluminum AlloyColor: As Pictures ShownWeight: Approx. 399g/14.1ozController Box Size: Approx. 9x5.2x3cm / 3.5x2.0x1.2inVoltage: 24V/36V/48V UniversalPower: 350WCurrent Limit: 13ALow Voltage: DC19/30/42VPackage List1 x Controller1 x LCD Display Meter1 x Manual