Specification: Color: Black Material: Environmental anti-retardant materials Size: As picture shown Input Voltage: 12V / 24V DC Output: USB 5V 4.2A Certificate: CE, RoHS Pin Number: 2 Pins (+,-) Working Temperature: -40-70℃ Voltmeter LED Color: Blue Voltmeter Range: 6-28V Quantity: 1pc Wide Application: cars, motorcycles, ATVs, SUVs, UTVs, Boats, etc Multi-purposes: supply power for cellphone, tablet, GPS and other USB-devices Kindly Reminder 1. The "+" is to positive, and "-" to negative. 2. For vehicles, it's recommanded 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 Include 1* Dual Ports USB Car Charger Outlet 2*14cm Cable.
eBay