Feature●PRECISION SMT PROCESSING: The internal circuit board adopts precision SMT processing.●SEALED CASING This DC converter adopts a sealed silicone case, which is waterproof, dustproof and shockproof.●USB-A/M: The output port of this step-down converter is USB-A/M, which can conveniently power electronic devices.●Safe protection: our 5V DC converter is equipped with over-voltage, over-current, overheating and short circuit protection. Therefore, it is safe to use and can work normally after restoring the normal state.●APPLICATION The down controller module is widely used in LED screens, GPS navigation systems, MP3, MP4, car DVD, audio and electronic dogs, etc.Description