ITEM NAME:12V to 6V DC-DC Converter Step Down Module Power Supply Volt Regulator LJ 12V to 6V DC-DC Converter Step Down Module Power Supply Volt Regulator LJ a.imagelink a:hover.imagelink {color:#f098e9;.1 x Power converter. Without USB interface. 36.2 x 25.5 x 21.2 mm.