Brightness: 1800 Lumens

Estimated yearly energy cost: $3.86 (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: 32-Watt

Lumens per watt: 56.3

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