GU10 Spotlight Lamps
GU10 spotlight (downlight) bulbs are available in CFL (Compact Fluorescent Lamps) , LED and lower energy Halogen versions.
GU10 Light Bulbs
CFL type GU10 Spotlight light bulbs are cheaper than LED versions but take a short time to reach full brightness and are slightly larger than standard halogen types. LED versions are more expensive but light up instantly, use far less power and last for far longer.