The KitchenAid KVWB600DSS 30" Recirculating Range Hood features 3-Speed Electronic Glass Touch Controls with a Boost Function. Its perimeter ventilation increases ventilation system efficiency by pulling air from the edges of the hood and speeding up the movement of air at the center, allowing it to efficiently handle up to a 65K BTU total output. The Whisper Quiet System @ 49 dBA (1.5 sones) at Low Speed ensures that the ventilation system operates at a quiet level so it can be used while entertaining. At maximum speed, the sound level is 65 dBA (5.4 sones). This model has Halogen night lights and LED task lights.