Ulti-Lumenx 30 Watt LED Power Suppply Driver Transformer 120 to 12 Volt DC Output, 3207 Power 30 Watt, Input Voltage 110 -130 Volt Output Voltage 12V DC Width 41 mm or 1-5/8" Length 200 mm or 8"/ Height 26 mm or 1" 365 days warrenty