ITEM NAME:LM2596S DC-DC Adjustable Step-down Power Supply Module C7G6 LM2596S DC-DC Adjustable Step-down Power Supply Module C7G6 Input voltage: 4 - 40 (input voltage must be higher than the 1.5 output voltage) Output voltage: 1.5 - 35 (adjustable) Output current: max 3A Dimensions (L x W x H): Approx. 52 x 25 x 11 mm (with potentiometer) Colour:blue Stable and highly efficient DC-DC sinking supply module, perfect voltage switching regulator with wide applications. Package Includes: 1 x Adjustable Downward Power 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.