0.8 sones at the low speed and 5 sones at the high speed. Rocker switch with two speed. 2 level lighting intensities. Includes 2 halogen bulbs GU10 with 35 watts. Micromesh filter easy to clean. 3 1/4 X 10 inch duct adaptor with damper. HVI approved. This hoods could be install ducted only. Parts and labor warranty 1 year.