ITEM NAME:12/24V Motorcycle Cigarette Lighter Socket +Dual USB Charger Power-Port +Switch- Feature: 1, 3.0A super large current, can be used for mobile phones, tablets, navigation, GPS, etc. 2, The product has a waterproof cover, which is safer to use. 3, The product comes with a voltmeter,Voltmeter test range: 5-16V Application: It can supply power to mobile phones, tablets, GPS, etc. It can also be used for car refrigerators, vacuum cleaners, etc. The voltmeter can detect battery voltage. Specification: Name: Motorcycle multifunctional Mobile Phone Waterproof Charger Material: ABS Plastic Input voltage: DC 12V-24V Output voltage: 12V/5V Output current: 3.0A USB Output: DC 5V 4.6A (3.0A+1.5A) Cable length: 120cm / 47.24 inch Color: Black Note: Wiring instructions: The red wire is connected to the battery positive +, the black wire is connected to the battery negative Package includes: 1 x Waterproof Charger Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different..USB Output: DC 5V 4.6A (3.0A+1.5A). It can also be used for car refrigerators, vacuum cleaners, etc. Color: Black. Note: Wiring instructions: The red wire is connected to the battery positive +, the black wire is connected to the battery negative.