Features:
100% brand new and high quality
Compact design, high efficiency, easy installation and use.
With overload/over-current/over temperature/short circuit protection
Wildly used for the carcorder, car navigation, car audio, car radio, bus LED display, taxi LED screens etc.
Model: CPT-UL-1
Input voltage: 12V (22V MAX)
Output voltage: 5V (4.7V to 5.0V)
Output current: 3A (MAX)
Max power consumption: 15W
Converter Size: 6.50*2.70*1.40cm 
Wire length: 13.5cm