40 Watt Low Voltage Xenon Transformer 40W in Input 120V to Output 12V Halogen Light Bulb
Amazon.com: 12V Electronic Low Voltage Transformer - Min/Max Wattage 50-300W - Input Voltage 120V - For Use with Halogen Lamps - Side Leads - Hatch RS12-300 : Tools & Home Improvement
300W 12V AC Electronic Transformer by PureEdge Lighting | TA300WA12LED | EDG186460