Best to Buy® (6-Pack) Dimmable 1.8-Watt T4 G4 LED Bulb 12-30V AC/DC, 12SMD2835 1.8W White Color (Jc10 Bi-pin 10-18w Replacement) - Amazon.com
Osram LED reflector lamp, Base: GU4, Warm White, 2700 K, 3.20 W, for 20 W Reflector lamp, LED SUPERSTAR MR11 12 V [Energy efficiency class A+] : Amazon.co.uk: Home & Kitchen
Pack Of 10) 20MR11/FL - FTD-20 Watt - Flood- 12V - MR11 - GU4 2-Pin Base - Light Bulb With Lens - 20W MR11 - Amazon.com
Edearkar MR11 GU4 LED Light Bulbs GU4 Bi-Pin Base AC12V 2W (20W Halogen Light Bulbs) Warm White 3000K Utral Bright Spotlight for Home Landscape Track Lighting,Pack of 6 - Amazon.com