Brightness: 1050 Lumens

Estimated yearly energy cost: $2.65 (Based on 3 hrs./day， 11c/kWh. cost depend on rates and use)

Lasts up to 11 years (based on 3 hours/day)

Light appearance: 4100K (Cool White)

Energy used: 22-Watt

Lumens per watt: 47.8

T9 circular bulb shape， 4-pin base

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

For indoor， commercial and residential use

For general use including indoor， commercial and residential use and ideal for home or office for versatility