1Manufacturing Material: The controller housing is made of high quality metal with grooves designed to protect the internal circuitry from thermal overload due to good heat dissipation 2For 22.2mm Handlebars: The electric bike's brushless motor controller is easy to install and use, comes with an LCD stand and fits for 22.2mm / 0.9in handlebars. 3SW900 LCD Display: LCD display can clearly display status and data, backlight allows you to see the screen clearly in a dim environment, button quick operation, easy to use. 4Stable Speed and Sensitive Control: Brushless motor controllers provide steady speed and sensitive control of braking and directional changes. 5Easy to Use: Electric bike controller kit including SW900 LCD gauge and controller, easy to use and fine workman. Without any difficult requirements even though you use it for the first time. Item Type:ElectricBicycleBrushlessControllerKitWeight: Approx.504g / 17.8ozMaterial: ABS + Aluminum AlloyVoltage: 24-48VPower: 250W, 350WApplicable Handlebars: Fitsfor22.2mm/0.9inhandlebars. 1 x Meter1 x Controller2 x Manual