ITEM NAME:DC-DC Adjustable Step-down Power Module LM2596 U1A4 DC-DC Adjustable Step-down Power Module LM2596 U1A4 Input voltage: 4.75 - 24V Output voltage: 0.93 - 18V Output Current: 2.5A continuously, up to 4 A maximum Soft off support Adopt synchronous rectification technology Up to 98% efficiency Size (L x W x H): Approx. 1.8 x 1.25 x 0.5 inches Package includes: 1 x LM2596 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..1 x LM2596 Power Module. Output Current: 2.5A continuously, up to 4 A maximum. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.