Philips Brilliance 35Watt 12Volt 10 degrees, 7000 cd, Type 14626. Cold light mirror halogen lamps (35.3 mm) with a clear front glass. 60% of the heat output goes backwards.
Dimmable LED MR11 lamp to replace 20 watt halogen. Diameter 3.5cm. Light color 927 = extra warm white with high color fidelity of more than 90% (CRI of 9)