Detail DC voltage converter 12V to 5V 3A USB-A/M Step-Down output power transformer power supply unitPrecision SMT processing: internal circuit board processing precision SMT processing. Sealed Housing: This DC to DC converter has a sealed housing that is waterproof, dustproof, and shockproof. USB-A/M: The output port of this step-down converter is USB-A/M, which is convenient for powering electronic devices. Safety Protection: Our 5V DC/DC converter is equipped with overvoltage, overcurrent, overtemperature and short circuit protection. Therefore, it is safe to use and can be used normally when it returns to normal. Application: Buck Regulator Module is widely used in LED display, GPS navigation, MP3, MP4, car DVD player, audio, electronic dog, etc. Material: ABS Olor: Black Package Content: 1 * Voltage ConverterOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.