Model: FC-27-B - Quantity: 1 - Color: Blue - Material: PCB board - Input voltage: 4.5~45V - The regulated power supply only connect the input port of the module to the car cigarette lighter for power supply it can adjust potentiometer the output voltage can be 4.5V~45V allows your adjustment (because it is step-down module the output voltage is 1.5V or above lower than that of input) - Suitable for mobile phone MP3 MP4 PSP charging and many other equipment supply - Input mode: IN+ input plus IN- input minus - Output mode: OUT+ output plus OUT- output minus - Adjust way: first right after the input power supply (4.5~45V) and using a multimeter to monitoring output voltage and adjustable potentiometer (usually on time turn booster inverse time turn decompression) output voltage (3~35 V) - Continuous adjustable - Min. voltage: 1.5V - Input power: 2A 12V to 5V 3A (max.) 15W - Conversion efficiency: the highest 92% (the higher output voltage the higher efficiency) - Static power: only about 6mA - Connection mode: Welding - Working temperature: Technical grade (-40'C~85'C) load regulation: +/- 1% voltage regulation: +/- 0.5% - Packing list: - 1 x Step-down module