Feature:1. Throttle Grip has a power display function that can display the remaining power of the battery. In order to make the power display work normally, please use it according to the voltage of the lithium battery.2. The power display function is an auxiliary function, general accuracy, for reference.3. It is suitable for all kinds of electric bicycles, replacing the original throttle grip.4. Lightweight, rain‑resistant and durable, long service time.5. The battery display design can clearly display the remaining power and make it easier to see.Specification:Condition: 100% brand newItem type:Electric Bike Brush Controller Set Material: aluminium alloy + plasticColor: As picture shownWeight: Approx. 646gRated voltage: DC48VBraking pulse voltage: 1.1-4.2VPower: 1000WController size: Approx. 9.2x6.2cm/3.6x2.4in Package List:1 xBrush Controller 1 Pair x Throttle Grip2 x Key