G4 LED Bulb Socket Halogen MR11 Base Ceremic Lamp Holder Socket Miniature Bi-Pin Base Socket Halogen Incandescent Led Socket Ceramic Body Lamp holder 10-PACK 2023 - US $6.49
MR11 LED Bulb | 12V | Super Bright LEDs
4 x MR11 GU4.0 LED Bulbs, 2W (20W Halogen Bulbs), GU4 Base, 200lm, 12V AC/DC, 120° Flood Beam LED Bulbs, 3000K (Warm White) : Amazon.com.be: Tools & Home Improvement
G4 Bi-Pin LED Light Bulb - 20W Equivalent - 180 Lumens - 12V - Dimmable | Super Bright LEDs