Brand N/A Model N/A Quantity 1 Color Blue Material Plastic +PCB Specification Input Voltage :4-40V Output voltage :1.23-37V continuously adjustable 1.23-37V fixed output Output current :0-3A Operating Frequency: 150KHz Conversion efficiency: Up to 90% (efficiency and input and output voltage current pressure related) Short circuit protection: Yes (limit current 5A) Over-temperature protection: Yes (over-temperature shutdown automatically after output) Input Reverse Polarity Protection: None (if required in the input string into the diode) Connection: Welding V-IN as an input V-OUT is the output. Features DC-DC adjustable step-down module Application This module can be applied to the input voltage is higher than the output voltage of the buck areas such as batteries power transformers DIY adjustable power supply 24V car T of the power supply industrial equipment buck 12V switch 3.3V 12V switch 5V 24V switch 5V 24V to 12V and so on. English Manual/Spec N/A Packing List 1 x Module