[10 Bulbs] 12v MR11 base Halogen Light Bulb. Light bulb Base: MR11 GU4 bi-pin base, with UV-filtered lens. PREMIUM quality cost 50% less than major brand name light bulbs.
[SPECIALTY APPLICATION]: Widely used in many home and office appliances. Microwave, Refrigerators, and Special Lamps. NOT for general lighting
[Premium Quality and Standard size]: EXACT and Perfect replacement for all major brand name MR16 halogen light bulbs. 
CALIFORNIA ENERGY REGULATIONS NOTICE:
This product is designed and marketed as a specialty halogen infrared heat lamp, intended for industrial, heating, or specialty applications — not for general lighting purposes.
Under California Title 20, such specialty lamps may be exempt from general service lamp efficiency requirements. Please verify your local regulations before ordering.