1、Widely Use: Has a wide application, regardless of sealed or lithium battery, water battery or dry battery. 2、High Compatibility: Available for all types of electric bikes/scooters, universal for a range from 12V to 99V which can be automatically identified. 3、Multi Functions: Has 5 wire cores, blue one connects to the output line of the controller electric door lock, and the yellow wire is for the positive pole of the controller electric door input line (the power switch which controls the vehicle power supply). 4、Line Function Description: Green line is made for the handle hall signal line, the red line connects to the positive 5V line of the handle, and the black line is for the negative pole. 5、Warm Prompt: Please wiring while checking controller function line, can not simply connect controller wires by colors, the wrong connection will cause damage to the controller or handle. Item Type: Thumb Throttle Speed Control Material: Plastic Application: For Electric Bike, Electric Scooter Product Size: Wire length: Approx.160cm/63.0in Suitable Handlebar Diameter: Approx.2.3cm/0.9in. Weight: Approx.120g/4.2oz Efficiency: ≥98% Hall Scale: Linear Hall Matters Needing Attention Please Pay Attention To The Wiring Sequence When Non-Professional Personnel Install, Do Not Connect The Wrong Line, Otherwise It Is Easy To Cause Hall And LED Tube Burn 1 x Thumb Throttle Speed Control