1. [Custom Display] Universal version of the battery level indicator, 4 display states are optional, help users to set the power percentage and alarm value functions by themselves. 2. [LCD Display] The battery capacity monitor uses the LCD display for clearer display, which is convenient for you to quickly check, you can use all the batteries in the display range. 3. [Display mode] There are two battery icon display modes plus percentage or battery icon plus voltage, 9-120V display range to meet different needs, very intuitive. 4. [Multi-functional] The battery meter has a wide range of applications, suitable for electric vehicle batteries, outdoor emergency equipment, medical equipment, measuring equipment, etc. 5. [Safe and energy saving] Ultra-low power consumption design, more energy saving, ultra wide input voltage, suitable for 12-84V battery voltage, with reverse polarity protection function. Item Type: Battery Meter Material: ABS Display range: 9-120V Applicable battery voltage: 12-84V Compatible battery: lithium battery, iron lithium battery (can be set by yourself) Display Mode: LCD Display Package List: 1 x battery meter 1 x connecting line