What we will recommend you today is 12V to 5V DC-DC Reduction Voltage Power Adapter with USB Car Charger. This is really a smart digital component. First of all， it is of great durability due to its high quality material. What is more， it features waterproof， shock， moisture， dust and flame retardant. Besides， this power adapter module can also be used as a power charger. With a built-in USB， you can charge your digital product even when you are driving. Overvoltage， over current， over temperature and short circuit braking automatic protection make it an ideal choice for wide customers. How can you refuse such a good item?                                    Features            High quality material and never usedEasy installation and operationAdjustable reduction module with over-temperature protection， overheating and reverse connection protectionUsed for power supply， it is convenientIt also features waterproof， shock， moisture， dust and flame retardantWidely used in various fieldsCan be regarded as a power charger with the given USB                                                            Specifications             Operating Temperature     Industrial grade (-40 ℃ to +85 ℃ between)    <br> Features     Epoxy potting， waterproof， shock， moisture， dust， flame retardant.    <br> Function     overvoltage， overcurrent， over temperature， short circuit braking automatic protection function， and normal working conditions after recovery    <br> Suitable for     LED car display， GPS navigation， MP3， MP4， car DVD， hard disk player， stereo， and other electrical and mechanical parts supply the best choice    <br> Input and Output Lines Length     10-13CM    <br> Output Interface Cable Length     About 28CM    <br> Weight     2.05 oz / 58 g    <br> Type     12V to 5V DC     <br>                                                             Package Includes            1 x Power Adapter<br>