Brightness: 1175-lumens

Estimated yearly energy cost: $1.81 (Based on 3 hrs/day， 11c/kWh. cost depend on rates and use)

Lasts up to 6.9 years (based on 3 hours/day)

Light appearance: 4100K (Cool White)

Energy used: 15 Watts

Lumens per watt: 78.4

T8 bulb shape， medium bi-pin base

Contains mercury: yes (for more info on cleanup and safe disposal， visit: epa.gov/cfl)

For indoor， commercial and residential use

Ideal for general purpose applications including offices and basements

Contains mercury: yes (for more info on clean-up and safe disposal， visit: epa.gov/cfl)