1. Overcurrent protection, safer and more reliable to use.2. Step-down adjustable voltage, can be used as battery charger, constant current led drive module.3. With short circuit protection and reverse input polarity protection.4. The output voltage range is wide, the output current is , and the conversion efficiency can reach up to 95%.Project Type: ModuleModel: WD5020Input voltage: 7-50VColour: greenMaterial: plasticSize: 100 x 60 x 48mmPackage Contents:1 x WD5020 adjustable step-down supply moduleOnly the above package content, other products are not included.Note: Light reflection 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.