Features:
1) Fitting: MR16 Gx5.3
2) Input voltage: 12V AC/DC
3) Color: cool white, warm white,red,yellow,blue,green 
4) Superior thermal management with internal copper heat conductor and external aluminum housing
5) Body temperature: Less than 53 degree Celius
6) LED working temperature: Less than 62 degree Celius
7) Temperature: -40 ~ 70 degree Celius
8) Brightness degradation: 3% - 5%1kh
9) Lifespan: 50, 000 hours
10) No UV or IR radiation.
11)Application:
Replacement bulbs for general lighting, especially for museums, art galleries, display cases, cosmetic counters where UV or IR radiation is undesirable.