ITEM NAME:New Standard Power Supply Module Step-down Adjustable 3A DC-DC Converter 100% brand new and high quality Quantity:1pc Weight:4 g Color: as picture show Size:21mmx16mmx1mm/0.83"x0.63"x0.04"(inch) (approx) Applications: DIY mobile power, monitor power supply, power buggies, camera power supply, car power, communications equipment supply, various right size and weight for demanding applications (such as aviation models, etc). Parameter: Input voltage: 4.5V-28V Output Voltage: 0.8V-20V (adjustable) Output current: rated current 3A(MAX). Switching Frequency: 1MHz Output Ripple:less than 30mV Efficiency:96%(max) Operating temperature: Industrial grade (-40 C to +85 C) Module Properties: Non-isolated step-down module (buck) 1pc 3A DC-DC Converter Power Supply Module..Output current: rated current 3A(MAX). Module Properties: Non-isolated step-down module (buck). Output Ripple:less than 30mV. Weight:4 g. Efficiency:96%(max). Color: as picture show.