Specifications:Rating Voltage: 12-24V; USB Output: DC 3.5-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A ; Material: Copper + ABS Plastic; Operating Temperature: -40 to 70℃ ; Wide Application: cars, motorcycles, ATVs, SUVs, UTVs, Boats, etc; Multi-purposes: supply power for cellphone, tablet, GPS and other USB-devices;Note: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 led light will show up after the item is connected to the battery.Package Included:1 x QC 3.0 USB charger socket;2 x Blue Insulated Connector