DROK 0.56" Waterproof DC 15-120V Digital Voltmeter Voltage Measurement Gauge Red LED Panel Volt Meters Range: DC 15-120V ( Can Measure Power Supply Directly ) Power Supply: DC 15-120V (with the input common-line) Display: Three 0.56 " Red LED digital tube Resolution: 1% +1 digit; Dimensions: 40x25x23mm;Cutting Size: 36x20mm Waterproof, Dust-proof, Shockproof, Suitable for 24V/36V/48V/60V/72V/96V electromobile and etc.