The circuit without temperature increasing, short circuit protection and the over-flow protection let you use it sagely and easily.
Mini Dual USB car Charger.high efficiency .safe and reliable.With corresponding USB connection cables, charging for iPod, iPhone, iPad, GPS smart phones and tablets charge, etc.
Type:Double Port USB Car Charger
Input:DC 12-24V
Output:5V=3.1A(max)
Usb 1: 5V/2.1A
Usb 2: 5V/1A
USB Port: Double Port