Twinto USB Charger AdapterMotorcycle 5V3A 5V15A Waterproof Phone Charger Adapter with Cigarette Lighter and Voltmeter for PhonesTabletsGPS

Motorcycle Dual USB Charger Socket with Cigarette Lighter Socket and Voltmeter ?Specification: Model:CS-834A1 Color:Black Charger Line Length:1.5M Input Voltage:DC12-24V Output Current:5V 1.5A+3.0A Voltmeter monitoring voltage: 9-24V Installation method: handlebar installation, rearview mirror installation ?Features: ?1.Function: USB charger + cigarette lighter (with cigarette holder, can be used to ignite cigarettes) + 12V voltmeter (voltmeter can detect battery voltage)  ?2.The product has a charging power switch, ready to use, easy to use, no waste of battery power, reduce line loss, battery protection   ?3.Waterproof cover, waterproof and dustproof, and an electronic timer on the cover surface for easy viewing.   ?4.Installation method: handlebar installation, rearview mirror installation two ways  ?5.The DC12V / 24V device can supply power for mobile phones, tablets, navigation, GPS, etc. ?Instruction: [Wiring instructions]: The red wire is connected to the battery positive +, the black wire is connected to the battery negative - ?Widely Usage: It can supply power to two electronic devices such as mobile phone, tablet, GPS, etc. It can also be used for car refrigerator, vacuum cleaner, etc. The voltmeter can detect battery voltage. ?Package include: 1 X Motorcycle Dual USB Charger adapter with Voltmeter 1 X Cigarette Lighter 1 X 150CM power cord 2 X Non-Slip Pads 2 X Fixed bracket