The choice is yours with the Delta Breez SIG110DL dual speed exhaust fan/light. This quiet energy efficient exhaust fan/light features adjustable continuous low speed control and an adjustable delay timer. Air flow of 110 CFM with loudness rating of 0.4 sones at full speed. Features a DC brushless fan motor for extended reliability. Power consumption of 12.7 Watts with energy efficiency rating of 8.8 CFM per Watt. ENERGY STAR qualified and HVI certified. Light bulbs are included.