Features1Good Heat Dissoption: The controller shell is made of high quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation. 2 Material: Made of high quality aluminum alloy material, having reliable performance, sturdy, durable and long service life. 3Stable Speed: The brushless motor controller can provide stable speed and sensitive control of braking and directional changes. 4Show State Data: LCD display can clearly show the state and data, backlight enables you to see scree clearly in dim environment. 5Wide Application: This electric bicycle brushless motor controller is easy to install and use, comes with mount for LCD display and it is suitable for 2 22.5mm/0.89in handlebar. 6Working Condition: Three mode sine wave controller, when the motor Hall is normal, controller runs in sine wave mode. When the motor Hall is damaged, it will automatically switch to square wave mode. When the motor Hall is completely damaged or the motor has no Hall, it runs in the no Hall mode.SpecificationItem Type: Motor Brushless Controller LCD DisplayMaterial: Aluminum AlloyColor: As Pictures ShownWeight: Approx. 378g / 13.3ozController Box Size: Approx. 9x5.2x3cm / 3.5x2.0x1.2inPower: 350WCurrent Limit: 13APackage List1 x Controller1 x LCD Display Meter1 x Manual