Description: Battery Capacity and Voltages Display: Upper 8 grid color strip (Red and Green)display battery capacity; The lower number shows the battery voltages and the voltmeter decimal point automatically shifts for higher accuracyWide Application: The Battery Capacity Indicator is suitable for 12V, 24V, 36V, 48V, 60V, 72V, 84V, battery vehicles, can also measure lithium batteries and other types of batteries or can be used for other power/voltages measurements purposesNote: Not suitable for large trucks, cranes, forklifts, and other high power and high load vehiclesProtection Function: The voltages meter head automatically identifies the voltages and power, and has a reversing connection protection function(reversing connection will not be damage).Waterproof: Strong waterproof performance, can be installed outside the electric vehicle without worrying about being damaged by rain Specification: Voltages allowable error: 1%Eight segment power: 10% 25% 40% 50% 60% 75% 90% fullWorking current: 5-15mARefresh rate: about 300mS onceDisplay mode: three digit 0.56LED digital tubeRefresh rate: about 300mS/timeMeasurement accuracy: 1% (2 characters)Working humidity: 10~80% (no condensation)Leading Cable length: 15cmOpening size: 46x27mm Size Chart: 5.3cmx3cmx2.6cm/2.09inchx1.18inchx1.02inch Package Includes: 1 Battery Capacity Indicator Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.