Two methods LED Display: Avaliable 10 LED bars with each 10% battery power to indicate the current battery status by 3 colors,which by 2 kinds of display methods: single(only lighten corresponding bar of battery power) and mutiple(lighten the bars from the first to the corresponding one of battery power)
Battery Level State: This device will help to know how much charge left in your battery and the time when to recharge in advance, also get the an accurate reading of state of discharge.
Product Connection: You can select to connect it with battery directly or plus the key switch by positive(+) and negative(-), the normal display will depend on whatever the C terminal connect with positive(+) finally.
Mounting: Panel cut-out size: 0.12x0.082 feet(37x25mm).
Others:Surface waterproof resistence; 2 years by excellent after-sales and technical group support.