Features1Heat Dissipation Controller: The controller casing is made of metal with groove design, which can protect internal circuits and avoid thermal overload due to its heat dissipation function. 2LCD Screen Display: The LCD screen clearly displays status and data. Backlight allows you to clearly see the screen in a dim environment, with quick button operation and convenient use. 3Scope of Application: Electric bike scooter controller with half twist throttle grips is suitable for electric bike, electric bicycle, electric scooter. 4Sensitive Control: The 36V 48V 500W 28A controller can provide stable speed and sensitive control over braking and directional changes. 5Package List: Including 1 x Half Twist Throttle Grip with LCD Panel, 1 x Half Twist Throttle Grip, 1 x Grip, 1 x Accessory, 1 x Controller, 1 x Manual.SpecificationItem Type: 36V 48V 500W 28A ElectricBikeControllerKitMaterial: ABS, Aluminum AlloyWeight: Approx. 970g / 34.2ozPower: 500WCurrent Limit: 28APackage List1 x HalfTwistThrottleGrip with Panel1 x HalfTwistThrottleGrip1 x Grip1 x Accessory1 x Controller1 x Manual