SMAKN Dc/dc Converter 12v Step Down to 3.3v 3a Power Supply Module
Specifications:Input range: 8~23vOutput voltage:3.3VOutput current/power:3AEfficiency: >96%Weight: 30gSize(LxWxH): 263621(mm)Cable length: 100mmPackage included:1 x DC12v to 3.3v 3A Converter