Two Wires Style DIY Waterproof Monitor DC 15-120V 12/24/36/48V Volt Battery Meter Voltage Tester Automative Electric Cars Gauge Small Digital Voltmeter 0.56"LED (Green) About us (Solu ), Professional factory of circuit boards for Arduino, welcome to our store for more choices with best price. What we pursue is your satisfication of our service, not just for our goods.For any reason you are unsatisfied with our product at any time, simply contact support for exchange or refund. we will reply you about any question you ask within 24 hours Reverse Connect Protection Range: DC15-120V ( Can Measure Power Supply Directly ) Waterproof, Dust-proof, Shockproof Digital Panel Voltmeter, it is Suitable for 24V 36V 48V 60V 72V 96V electro mobile or other electric device etc. Current consumption: 15-20mA