Features 1.This product is made of high quality PCB material, strong and durable. 2.Built-in current limit function, thermal shutdown function, soft start function, and frequency compensation function. 3.It has a voltmeter that displays the voltage operating status in real time. 4.The conversion efficiency can up to 94%, typical efficiency is 85%. 5.Adopting high craft, carefully welding, precise hole position, complete functions. specificationFeatures:_x000D_ _x000D_ This product is made of high quality PCB material, strong and durable. _x000D_ Built-in current limit function, thermal shutdown function, soft start function, and frequency compensation function. _x000D_ It has a voltmeter that displays the voltage operating status in real time. _x000D_ The conversion efficiency can up to 94%, typical efficiency is 85%. _x000D_ Adopting high craft, carefully welding, precise hole position, complete functions. _x000D_ _x000D_ :_x000D_ Material: PCB_x000D_ Module Features: Non-Isolated Boost_x000D_ Rectification Mode: Asynchronous rectification_x000D_ Input Voltage: 4.5V-32V_x000D_ Output Voltage: 5V-55V_x000D_ Input Current: 4A (maximum)_x000D_ Conversion Efficiency: 94% (maximum), typical efficiency is 85%_x000D_ Switching Frequency: 40KHz_x000D_ Output Ripple: 50 mV_x000D_ Load Adjustment Rate: 0.5%_x000D_ Voltage Adjustment Rate: 0.5%_x000D_ _x000D_ Package List:_x000D_ 1 x Module PackageList