Green DC12-24V Waterproof Dual USB Phone Charging 4.2A LED Digital

--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n\nFeature: \n 1. Black casing, LED indicator, and fine workmanship, making the whole product look stylish and beautiful.\n2. The input voltage of this is 12-24V, which has wide application. Suitable for all boats and vehicles of 12-24V.\n3. Equipped with 4.2A dual USB, and can be used for power supply of mobile phones, tablets, GPS, etc.\n4. Comes with a voltmeter to detect the use of the car battery at any time and prevent safety accidents caused by poor battery conditions effectively.\n5. Includes 60cm/23.6in red black line with OT terminal, simple and easy for you to install and use.\n6. IP66 Waterproof function, no worry about the influence of water. \n\nSpecification: \n\nItem Type: Dual USB digital voltmeter \nCondition: Brand new\nOpening Size: Approx.2.9cm/1.1in\nLine Length: Approx.60cm/23.6in\nMaterial: ABS\nHousing Color: Black\nLED Color: Red, blue, green(optional)\nInput Voltage: DC12-24V\nOutput Vo-