MR11 GU4 HighPower LED 2,5W 120° 10-30V warm white
Osram Dimmable MR11 LED Reflector Bulb with GU4 Socket, Warm White (2700 K), Glass Spotlight, 3.2 W, Replacement for 20 W Reflector Lamp, LED Superstar MR11 12 V, Pack of 10 : Amazon.de: Lighting
Pack of Three (3), LED 2.5W MR11 GU4.0 12V AC/DC Lamp Bulb - - Amazon.com
MR11/GU4 LED Bulb Light Spotlight 3W/5W Warm/Cool White DIMMABLE LED Light Bulbs | eBay
ALIDE MR11 GU4 Led Bulbs,Replace 20W 35W Halogen Equivalent,2700K Soft Warm White,12V MR11 LED 3W Low Voltage Bulb Spotlight for Outdoor Landscape Track Lighting,Not Dimmable,250lm,30 Deg,6 Pack - - Amazon.com