Electric Current: 1000mA.Input: DC12-24VOutput: 5.0-5.5VLength of the Cable: 9.0 feet; Cable diameter: 3.5 mm.IC(34063): Wide voltage operation range, operation from 3.0 V to 40 V Input; Low Standby Current, the output current have the function of restricting loading and over loading protection, it will avoid the damage to the mobile phone or charger; Output Switch Current is high to 1.5 A, you can adjust the output voltage (in 5V-12V); Frequency operation is high to 100 kHz, the inside base reference voltage is precision 2%.Interior components and the PCB mainboard are all made of SGS environment protection material.