SONRU 3.1A Dual USB Charger Socket, 12V USB Outlet Car Charger with IP66 Waterproof Power for Car Boat Marine Motorcycle (DIY Kit)

SONRU 3.1A Dual USB Charger Socket, 12V USB Outlet Car Charger with IP66 Waterproof Power for Car Boat Marine Motorcycle Why Choose SONRU? Below is the reason: Real Time Monitoring Voltmeter Combined dual USB interfaces and LED digital display voltmeter into a combo. With built-in intelligent voltage monitor, MITUNING 2-in-1 voltmeter is able to show you an accurate voltage value at anytime while you're driving, helping you to easily notice the battery running condition. Dual USB Fast Charging - Wide Application Adopted high tech of 2.1A USB fast charging port, it's able to auto select the needed current to charge your mobile devices. Perfect for most brands of Smartphones (iPhone/Samsung/Sony/HTC/Huawei/LG/XIAOMI...), Tablets, GPS, MP3/MP4/PSP, digital camera and other USB-devices. Wide Operating Voltage Range It is specially designed to steadily work at the operating range of 12-24 volt, while its transient voltage is tested up to 38V, suitable for most SUV, ATV, UTV, Scooter, Snowmobile, Street Bike, Car, boat, Marine, camper, etc. Kindly Reminder: 1. The "+" is to positive, and "-" to negative. 2. For vehicles, it's recommended to get power from fuse box, while for the motorcycle, better connect to the wires of the key switch. 3. The voltage meter reading led will show up after the item is connected to the battery. Package List: 1 x Dual USB Car Charger Adapter 1 x 23.7 Inches Wire with 10A fuse 2 x blue connection cap