Automatic Turn On starts the fan if it detects high-heat cooking, Powerful ventilation system for commercial-style kitchens, 65,000 BTU Rating compatible with most 36- or 30-inch cooktops, Perimeter Ventilation helps clears steam and smoke, Four Speed Fan with Electronic Touch Control and an LCD Display, Removable Mesh Filters help capture grease and odors, Two LED Task Lights provide bright, natural-looking light