S91333 COPYRIGHT TOPCO QUALITY GUARANTEE - IF YOU ARE NOT 100% SATISFIED, RETURN OUR PRODUCT FOR A FULL REFUND. INSTRUCTIONS: USE IN REGULAR 3-WAY SOCKET. SCREW FIRMLY (BUT NOT FORCIBLY) INTO SOCKET, OTHERWISE ONLY ONE FILAMENT MAY LIGHT DUE TO SOCKET CONDITION. LIVING ROOM - VIBRANT! READING NOOK - SERENE! FROM RELAXING TO RADIANT, LIGHT YOUR WAY WITH QUALITY, 3-WAY LIGHT BULBS FROM SIMPLY DONE. OSY317 OPERATE BASE DOWN ONLY. LIGHTING FACTS PER BULB - BRIGHTNESS - 580/1540/2120 LUMENS, ESTIMATED YEARLY ENERGY COST - $ 6.02, BASED ON 3 HRS/DAY, 11 CENT/KWH - $12.05, COST DEPENDS ON RATES AND USE - $ 18.07, LIFE BASED ON 3 HRS/DAY - 1.1 YEARS, LIGHT APPEARANCE - WARM 2850 K, COOL, ENERGY USED - 50/100/150 WATTS