120VAC to DC 12V 5A LED Transformer Driver, NiuGuy 60W LED Power Supply for Under Cabinet Puck, Lights Strips, G4 MR11 MR16 LED Light Bulbs - - Amazon .com
BQLZR AC 110V to 12V 80W Power Supply Transformer Adapter for Halogen Lamps - - Amazon.com
150 Watt - Step Down Transformer - 120 Volt to 12 Volt - For Use with 12V Halogen Lamps - PLT BSET150 - Halogen Bulbs - Amazon.com
Yafido Electronic Transformer 230V AC to 12V AC 50-210W Halogen Transformer Overload Protection Non-Dimmable for Halogen : Amazon.de: DIY & Tools
40 Watt Low Voltage Xenon Transformer 40W in Input 120V to Output 12V Halogen Light Bulb