Feature●No battery Confine: No matter Lead-acid batteries, lithium batteries, water batteries, dry batteries,the handlebar control switch suitable for most kinds of electric motorcycles and bikes.●Real Time Dispaly: Use digital display to directly identify the battery level, and determine the remaining battery level based on the number of V batteries in your electric bikes.●Universal Use: Regardless of the type of electric bikes (12V to 99V universal), it can be automatically identified and displayed in real time.You can accurately judge the remaining electricity, driving distance.●Battery Check & Easy Installation: By checking the voltage, you can accurately determine whether the lithium battery is damaged. The ordinary electric display turn handle has only 4 wires, which is convenient for installation and saves time.●Quality Waranty: Any questions before or after purchase, please feel free to contact us. We are committed to providing you better service and products and we offer 30-days quality guarantee for you.Description