Specifications:
Voltage Range: 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;
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 led light will show up after the item is connected to the battery.
Package Included:
1x Dual Ports USB Charger
2x Blue Terminal