1x 5W PRO-ELEC MR16 GU5.3 12V LED Reflector Spotlight Light Bulb. MR16 2-Pin (GU5.3) Spotlight Fitting. No more waiting for light bulbs to warm up, LED's do this instantly. LED light bulbs also use a lot less energy in comparison to their counterparts, switching over to LED light bulbs will save you money in the long run as they also last longer!
eBay