Features 1、Safety to use, simple to connect. Reverse protection design, won't burn if connect reversely. 2、Battery symbol and voltmeter, the two display modes can be switched at will. 3、Large LCD screen display with green backlight, you can more intuitively observe how much power is left. 4、Suitable for all kinds of instruments and meters, mobile portable devices, mobile power supplies, electric vehicles, etc. 5、Adopts high quality plastic material, portable , small size, light weight, durable. Specification Item Type: Battery Capacity Indicator Material: Plastic Color: As shown in the picture Model: H6133 Purpose: Display power Working Current: <5MA Sleep Power Consumption: 12uA (12V is for testing) Display Mode: LCD with backlight Backlight Color: Green backlight Environment Temperature: 25℃ Measuring Range: 6-100V Installation Method: connect the red and black wires to the positive and negative poles Package List 1 x Battery Capacity Indicator 1 x Red and Black Wire