Description: Android phone interface and micro usb straight. Super-thin, small size, high efficiency, easy installation and use, Input voltage: DC12-35V, (12V changes to 5V). Synchronous rectification, the conversion rate is 96% or more, very low heat. With low voltage protection function, protect car's battery, 12V-11.6V(Cut Off Automatically),24V-23.2V(Cut Off Automatically) to stop your car DVR working automatically. Overcurrent protection, Short-circuit protection, Waterproof design, Cable Length: 400CM. Specification: Material: Plastic Input voltage: DC 12V (12V-35V) Output voltage: DC 5V Output Current: 1500MA Conversion efficiency: Max 96% Cable Length: 400CM / 157.48inch Working power: 1.2-2.5W Output interface : Micro USB Package Includes: 1 piece car changer