Features:MP1584EN DC-DC 3A power step-down moduleUltra-small Size: approx 22mmx17mmx4mm0.87x0.67x0.16inThe input voltage is 4.5-28V, the output voltage is 0.8-20V.MP1584EN DC-DC 3A adjustable step-down module.Adjust the potentiometer knob: clockwise to adjust the output voltage is reduced; counter-clockwise, the output voltage is increased;Specifications:Input Voltage:4.5-28VOutput Voltage :0.8-20V 3A(Max-)Output Current:3AConversion Efficiency:92% the highestSwitching Frequency: 1.5MhzSize:approx 22mmx17mmx4mm0.87x0.67x0.16in (Ultra-small)Note:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-3mm measuring deviation due to manual measurement.Package includes:1PC DC-DC Step Down Supply Module