ITEM NAME:New 10Pcs DC-DC LM2596 Converter Buck Adjustable Step Down Power Module 1.5 J1E6 New 10Pcs DC-DC LM2596 Converter Buck Adjustable Step Down Power Module 1.5 J1E6 With this module ,you can adjust the potentiometer of your car, the output voltage can be adjusted in 1.25-30V, for your MP3,MP4,PSP charging many devices
