Automatic Turn On starts the fan if it detects high-heat cooking, Removable Mesh Filters help capture grease and odors, Ventilation system for conventional ranges and cooktops, Two LED Task Lights provide bright, natural-looking light, 65,000 BTU Rating compatible with most 36- or 30-inch cooktops, In-Line Blower Conversion with purchase of In-Line Smart Kit, Four Speed Fan with Electronic Touch Control and an LCD Display, Perimeter Ventilation helps clears steam and smoke, Programmable Off Function turns off vent automatically