Description：Condition: 100% Brand New Model Name: Ultra-small DC-DC step-down module Input voltage: 4.5-28V Output Voltage: 0.8-20V Output current: rated current 3A(MAX). Switching Frequency: 1.5MHz (highest), typical 1MHz Output Ripple: < 30mV Efficiency: 96% (max) Operating temperature: -40 Celsius to +85 Celsius Size: 22mm*17mm*4mmNOTE: 1 Due to different production batches, there may be 1-3cm deviation in size. 2 Under different lighting and different computer screens, there will be a small color difference 3 Please refer to the actual product.Package includes：1PC/set