1The throttle grip has a power display function, which can display the remaining power of the battery. 2In order to make the power display work normally, please use it according to the voltage of the lithium battery. 3The power display function is an auxiliary function, general accuracy, just for reference. 4It is suitable for all kinds of electric bicycles, replacing the original throttle grip. 5Lightweight, rainresistant and durable. 6The 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 longterm use. 7Easy to install, suitable for 350W 36V / 48V electric bicycle products. Condition: 100% brand new Item type:BrushlessControllerThrottleGripSet Material:Aluminum alloy + rubber Color: As picture shown Weight: Approx. 641g Rated voltage: DC36V / 48V universal Braking pulse voltage: 1.1-4.2V Power: 350W Controller size: Approx. 10.5x6.2cm/4.1x2.4in 1 x BrushlessController 1Pair x ThrottleGrip 2 x Key Please note that the old and new type of the product will be sent randomly, and make sure you will not mind before ordering.