1、Not divide lead acid battery, lithium battery, water battery, dry battery. 2、Not divide all models of electric bikes(12V to 99V general), can automatic identified, real time display. 3、Eliminate analog electric quantity display(several small lights), real time digital voltage display, intuitive, convenient, can accurately determine the remaining electric quantity, travlled distance. 4、Judge electric bike fault by voltage number, get twice the result with half the effort. 5、Made of high quality plastic material, sturdy, durable and long service life. Condition: 100% Brand New Item Type: Electric Bike Handlebar Switch Material: Plastic Color: BlackQuantity: 3PCS Efficiency: ≥98%Hall Level: Linear Hall, High Quality Rubber, Imported LED Digital Display Light Weight: Approx. 400g Battery knowledge: 1. Features 5. There are 4 wires for the common electric display turnbar, which is convenient for workers to install and save working hours! 6. Digital TV display is not available in the current market, can seize the opportunity and become a new selling point 2. Matters needing attention Non-professionals should pay attention to the line sequence when installing, and cannot connect the wrong line, otherwise it will easily cause the Hall and the LED tube to burn Installation method: three turn handle wires, red turn handle positive pole, black turn handle negative pole, green turn handle signal line, yellow alone is the power supply positive line. 3 x Electric Bike Handlebar Switch with Lock 6 x Key