Feature:1. The throttle grip has a power display function, which can display the remaining power of the battery.2. In order to make the power display work normally, please use it according to the voltage of the lithium battery.3. The power display function is an auxiliary function, general accuracy, just for reference.4. It is suitable for all kinds of electric bicycles, replacing the original throttle grip.5. Lightweight, rain-resistant and durable.6. The battery display design can clearly display the remaining power and make it easier to see. The wire and interface are durable, ensuring low failure in long‑term use.7. Easy to install, suitable for 350W 36V / 48V electric bicycle products.Specification:Item type: Brushless Controller Throttle Grip SetMaterial: Aluminum alloy + rubberColor: As picture shownWeight: Approx. 641g Rated voltage: DC36V / 48V universalBraking pulse voltage: 1.1-4.2VPower: 350WController size: Approx. 10.5x6.2cm/4.1x2.4inPackage List:1 x Brushless Controller 1Pair x Throttle Grip 2 x Key