Made of high quality plastic material, sturdy, and long service life.
Not divide all models of electric bikes(12V to 99V general), can automatic identified, real time display.
Judge electric bike fault by voltage number, get twice the result with half the effort.
Not divide acid battery, lithium battery, water battery, dry battery.
Eliminate analog electric quantity display(several small lights), real time digital voltage display, intuitive, convenient, can accurately determine the remaining electric quantity, travlled distance.