Osram LED STAR MR11 35 36° 4.2W 827 GU4 | the leading LED-shop by LUMITRONIX
Mini MR11 GU4 LED Spotlight Bulbs 2W 3W 4W 12V 24V SMD Replace 25W Halogen Lamps | eBay
OSRAM Lamps PARATHOM Dimmable Low Voltage LED Reflector Bulbs MR11 with Retrofit Plug-in Socket 20 36° 3.2 W / 2700 K GU4 Clear PARATHOM DIM MR11 : Amazon.co.uk: Lighting
Crompton Lamps LED MR11 Spotlight 4W GU4 12V Warm White Clear (35W Eqv) (3 Pack) | DIY at B&Q