Features:This product is made of high quality PCB material, strong and durable.Built-in current limit function, thermal shutdown function, soft start function, and frequency compensation function.It has a voltmeter that displays the voltage operating status in real time.The conversion efficiency can up to 94%, typical efficiency is 85%.Adopting high specification craft, carefully welding, precise hole position, complete functions.Specification:Material: PCBModule Features: Non-Isolated BoostRectification Mode: Asynchronous rectificationInput Voltage: 4.5V-32VOutput Voltage: 5V-55VInput Current: 4A (maximum)Conversion Efficiency: 94% (maximum), typical efficiency is 85%Switching Frequency: 40KHzOutput Ripple: 50 mVLoad Adjustment Rate: 0.5%Voltage Adjustment Rate: 0.5%Package List:1 x Module