6 Bulbs LED G4 JC LED Replacement Light GX4 2 Pin Fixtures 12 Volt 4 Watt Lamp Replace Your Old Halogen Bulbs Side Mount With A Cooler and More Energy Efficient Replacement Under-cabinet Puck WW Pack of 6 units - GET RID OF THE OLD HALOGENS THAT ALWAYS BURN OUT Wide working voltage 8V-30V direct halogen replacement Bi Pin G4 fitting for boats , campers , caravan , solar off grid systems Direct replacements for all G4 fittings and sockets suitable for 9V 12V 18V 24V battery