TORCHSTAR G4, GU5.3 Bi-Pin Socket, up to 75 Watts, Ceramic Body with Mica Covers, for LED Halogen Incandescent Light Bulbs, MR11, MR16, Pack of 5: Amazon.com: Tools & Home Improvement
Osram Halogen Low Voltage Lamp, Halostar, G4 Socket, Dimmable, 12 Volt, 20 Watt, Warm White - 2800K, 1 Pack [Energy Class C] : Amazon.de: Lighting