Features1Power Display: Electric bike twist throttle grip has indicator light with power display, intuitive, convenient, and accurate determination of remaining power. 2For 48V Electric Bike: This bike speed control handlebar grip is suitable for 48V electric bikes, modified bikes. With 2 keys, you can easily and conveniently replace the old or damaged ones. 3Color Wire Description: Green wire is the grip for Hall signal wire, red wire is the grip positive 5v, black wire is the negative pole. 4Wiring Methods: Blue wire to connect the controller electric door lock out wire, yellow wire to connect the controller electric door into the power positive pole. 5Universal Battery Applicable: This accelerator grip is widely compatible for various batteries, does not distinguish between acid batteries, lithium batteries, water batteries, dry batteries, etc.SpecificationItem Type: Electric Bike Throttle GripMaterial: ABSGross Weight: 134g / 4.7ozApplicable Voltage: 48VInterface: SM InterfacePackage List1 x BikeThrottleGrip2 x Keys1 xInstructionManual