Feature: 1. This battery indicator with hour meter has a LED graphic display of the battery indicator and a LCD display of time meter and partial voltage meter. 2. Specifically designed to monitor the power level of battery while charging or discharging. 3. This mode has 19 types of voltage ranges which can choose by user. 4. This battery indicator has a delay in the rise and fall time to prevent an incorrect display of the battery level. 5. This hour meter records the total hours of operation of the equipment and the part time. The hour meter shows the total hours and partial time accumulated. 6. The low voltage and overvoltage error warning will work to help you know the battery well and protect the battery. Specification: Condition: 100% Brand New Item Type: Battery Meter Material: ABS Color: As Pictures Shown Working Voltage: DC12-48V Timing Range: 0-999999H, accuracy 0.1H Display Mode: LCD + LED Waterproof Rating: IP65 Size: Approx. 56 x 65mm / 2.2 x 2.56in. Package List: 1 x Battery Meter7 x Pin1 x Bracket2 x Screw1 x Connector1 x Manual