1、[Custom Display] Universal version of the battery power display indicator, 4 display states are optional, support users to set the power percentage and alarm value functions by themselves. 2、[LCD Display] The battery capacity monitor uses an LCD display for clearer display, which is convenient for you to quickly check, all batteries within the display range can be used. 3、[Display Mode] There are two display modes of battery icon plus percentage or battery icon plus voltage, 9?120V display range, to meet your different needs, very intuitive. 4、[Multi Purpose] Battery meter has a wide range of applications, suitable for electric vehicle battery packs, outdoor emergency equipment, medical equipment, measuring equipment, etc. 5、[Safe And Power Saving] Ultra low power consumption design, more power saving, ultra wide input voltage, suitable for 12?84V battery voltage, with reverse polarity protection function.