ITEM NAME:Electric Bike Half Throttle Twist Grip Lock Key Handle w/ Voltage Display Product Description Description: Electric Bicycle Half Throttle Twist Grip Voltage Battery Display E-Bike Scooter Lock Key Knock Handle Features: Regardless of the various types of Electric Bicycle, can identify voltage automatically. (12V, 24V, 36V, 48V, 60V, 72V electric bike can be used directly, part of the 84V electric bike can also be used.) Specification: Main Material: ABS+ Rubber Color: Black Body Size: 90 X 80 X 55mm/3.54 X 3.15 X 2.17" Net Weight: 335g Cable Length: About 2m/6.56ft Compatible: Suitable for 12V-99V Electric Bicycle Installation: Suitable for handles with diameter of 22.2mm/0.87" Five Wires Connection: Yellow is for controller key lock incoming line power positive (power switch, control the whole car power) Blue is for for controller key lock outgoing line Green is for twist throttle Hall signal wire Red is for throttle positive + 5V Black is for throttle negative Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 Set X Electric Bike Half Twist Throttle Grip Handle.(12V, 24V, 36V, 48V, 60V, 72V electric bike can be used directly, part of the 84V electric bike can also be used.). Included: 1 Set X Electric Bike Half Twist Throttle Grip Handle. Green is for twist throttle Hall signal wire.