1、Suitable Range: Inner dameter of the grip is 2.3cm/0.9in, that the bike throttle handle is suitable for the handle bar of 23mm/0.9in diameter. 2、Highly Compatible: With automatic identification, can be applicable for all models of electric vehicles, suitable for a range from 12V to 99V. 3、Universal for Batteries: Has no strict requirements about battery type, regardless of sealed, lithium battery, water battery or dry battery. 4、Wire Function: Green line is made for the handle hall signal cable, the red line is the positive 5V cable of the handle, and the black line is for the negative pole. 5、5 core wires: The blue wire connects to the output line of the controller electric door lock, and the yellow wire is connected to the positive pole of the controller switch inlet power supply (the power switch controls the vehicle power supply). Item Type: Twist Throttle Grips Material: Plastic Model:S Series(5V-99V) Application: For Electric Bike, Electric Scooter Product Size: Suitable Handlebar Diameter: Approx.2.3cm/0.9in. Weight: Approx.281g/9.9oz Efficiency: ≥98% Hall Scale: Linear Hall Working Voltage: Twist Grip: DC0.8V-4.2V Power Adaptive: Regardless Of Sealed Or Lithium Battery, Regardless Of Voltage(12V, 24V,36V,48V,60V,72V Electric Vehicles Can Be Directly Used, Can Also Be Used For Part Of 84V Electric Vehicles) Basic Parameters :(According To Different Battery Materials, Different Old And New Status, Different Batches, The Voltage Values Will Be Different, Please Test A Few Times To Get Your Own Electric Vehicle Battery Parameters,) For 12V Electric Bike, Max Voltage Is About 12.6V, Mini Is About 9V Or Above, For 24V Electric Bike, Max Voltage Is About 29.4V, Mini Is About 21V Or Above, For 36V Electric Bike, Max Voltage Is About 42V, Mini Is About 29V Or Above, For 48V Electric Bike, Max Voltage Is About 54.6V/58.8V, Mini Is About 40V Or Above, For 60V Electric Bike, Max Voltage Is About 72V, Mini Is About 49V Or Above, For 72V Electric Bike, Max Voltage Is About 84V, Mini Is About 60V Or Above, For Other Electric Bike With Above Voltage There Should Be A Voltmeter Installed. 1 x Twist Grip 1 x Handlebar Grip