12Vmonster 50Watt 100V-120V Halogen Spot Lamp Power supply Low voltage transformer MR16 bulb driver rated @ 50W @ 100V-120V North American voltage 70mm x 25mm x 30mm - compact sizing AC 12 Volt output for MR16 Halogen Spot light bulbs Short circuit protection WHOLESALE PRICING AVAILABLE FOR BULK PURCHASE / ORDERS - MESSAGE US FOR DETAILS