ITEM NAME:5PCS MP1584EN DC-DC BUCK Adjustable Step Down Module N5V7 5PCS MP1584EN DC-DC BUCK Adjustable Step Down Module N5V7 Model:MP1584EN Name:DC-DC step-down module Input Voltage: 4.5V ~ 28V Output voltage: 0.8V ~ 20V Output Current: 3A (Max) Conversion efficiency: 96% (maximum) Output Ripple: Less than 30mV Switching frequency: 1.5MHz (highest) typically 1MHz Operating Temperature: -45Degrees Celsius ~ +85Degrees Celsius Size: 22mm * 17mm (L * W ) Colour:green Material:CCL Application areas: DIY mobile power, monitor power supply, power buggies, camera power supply, car power, communications equipment supply, etc. Packge included: 5 x Step-down module Note: Light shooting 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.