12Vmonster 5 Pack Back Pin 3 Watt 12V JC G4 Base Halogen Lamp 12 Volt 10W Bi-Pin Light Bulbs LED replacements 10X LONGER LIFETIME Pack of 5 units - GET RID OF THE OLD HALOGENS THAT ALWAYS BURN OUT 12 Volt 10 Watt JC halogen replacements Bi Pin G4 fitting Direct replacements for all G4 fittings and sockets wide working voltage - suitable for wide voltage range systems