1.Module Feature: Non-isolation booster2.Ectifier system:Not synchronous rectifier3.Input voltage:4.3V-32V4.Output voltage: 5V-52V5.Incoming current:4A(maximum)Colour:As the picture showsTransfer efficiency:94%(The highest)Normal efficiency for85%Switching frequency:400KHzOutput ripple:50mVLoad regulation:0.5%Voltage regulation:0.5%operating temperature:-40~+85Function key:1).Short press: input/output display 2).Moderate press: Enter the fine-tuning state .Increase or decrease the offset (the default is 0), when the voltage display inaccurate use .Short according to the regulation, long press or long according to 3).Long press: the state of low power consumption, the digital tube and the lights are out, the normal work of the module. Click the button again to . Normal displayClockwise to adjust output voltage:Clockwise----- increasing voltageCounterclockwise----reduce the voltageMaterial: MetalPackage Contents:1 x Step-up ModuleOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.