Product Name: Halogen SpotlightModel Number: MR8/11/16Place of Origin: ChinaThe halogen bulbs provide the quality better than most of the local competitors, while offers a reasonable price compared to the foreign companies. If you are to buy the right bulbs in a wise way, it is a good choice. Features: 1) Models: MR8, MR11, MR16 2) Diameters: 25mm, 35mm, 50mm 3) Voltage: 12V, 12V, 12V 4) Wattage: 10W / 20W / 35W, 20W / 35W, 20W / 35W / 50W / 75W 5) Average life: 2,000h, 2,000h, 8,000h 6) Beam angles: 30, 10 / 20 / 30, 12 / 24 / 36 / 60 7) Bases: Bal5d / GZ4, GU4, GU5.3 8) Color temperature: 3000K around, 3000K around, 3000K around 9) Ra: 100, 100, 100 10) Dimmable: yes, yes, yes 11) Options available: a) Ultra white bulb, with 4200K color temperature b) Bulb frosted finish c) Flat shield (several colors) d) Aluminum coated reflector instead of dichroic glass reflector