1Multifunctional Gauge: Including battery capacity meter and time meter; The battery capacity is displayed through LED bar, and the total operation hours are displayed through Lcd screen. 2Timing Function: Record the accumulated working time of the device. Timing range 0?999999H, can not be reset when accumulated. Single timing can be reset. 3Low Battery Reminder: When the remaining battery power is 20%, the second yellow light flashes; when the battery power is 10%, the first red light and the second yellow light flash alternately to remind charging. 4Wide Working Voltage: Voltage recognition function, automatically recognize 12V/24V/36V/48V voltage when power on reverse connection protection function, can prevent the meter from being burned out. 5Wide Application: Widely used in motorhome, electric vehicle, ball car and other automobile industries; Electric lawn mowers, electric saws, chippers and other gardening machinery; Cleaning equipment, such as floor washers and cleaning vehicles; And other battery devices.