1、[Real Time Display] This meter could detect and display the battery capacity and voltage status in real time, keep you informed of battery status. 2、[Connection Protection] Adopt positive and negative direct connection, with anti reverse connection protection design, safer to use. 3、[Waterproof Body] The surface of this indicator is waterproof designed, which is more secure when rainy days outgoing. 4、[Compact Design] This capacity voltage indicator is compact in size and light in weight, very convenient to carry and install. 5、[Wide Usage] The battery monitor can be used for RV, battery car etc., with high definition, displays clearly, very practical and useful. 1 x Battery Meter1 x Cable4 x Screw Item Type: Battery MeterMaterial: ABSModel: LY6NApplication: Suitable for RV, battery car, etc.