IZTOSS 2.1A & 2.1A Waterproof Car Motorcycle Boat Marine ATV RV Dual USB Charger Phone Charger Power Supply Socket with Voltmeter Red Light and 15cm cords 16-14AWG Insulated Heat Shrink butt Terminal Sold by Iztoss Brand ,Material: High Quality ABS and metal.1 1/8 inch size drill will be suitabe for install Input: 6-30V. USB output voltage: DC 5V; Dual USB output current: 2.1A 2.1A (4.2A in total),Easy to install, widely applied in 12V-24V motorcycle, car, cross bike, scooters, etc. Dual USB output design allows it to charge 2 USB devices simultaneously,fit for your iPad, iPhone, cellphone, MP3, GPS, camera, etc.LED Voltmeter Display, Prevent battery from high/low voltage uses Pass CE Certificate.A tight fitting cap protects the USB ports when not in use. All nylon construction and UV resistant.IP66 Waterproof, Full Competence for Outdoor Usage Include:1 x charger voltmeter socket,2x 15cm 16AWG wires ,2x 16-14AWG Butt Terminals