What You Get: The package includes a Dual USB rocker switch and a wiring harness built-in fuse for over-load protection.
Superior Quality: Made of ABS material, resistant to high and low temperature , and flame retardant. This product with reverse connection protection, can ensure the safety of charging.
Efficient and Quick: Charge12-24V DC input , 5V/4.2A DC output , Dual USB rocker switch design, each USB interface is 2.1A , can support charging two devices at the same time.
Wide Range of Applicable Universal use: for all 12V-24V cars, buses, test vehicles, boats, UTVs, ATVs etc. It can quickly charge mobile phones, PDAs, tablets, cameras, GPS and other devices.
Easy Installation: The back of the charging base is marked with a plus or minus sign, with "+" inserted into the positive pole and "-" inserted into the negative pole. Open the outer cover when charging.