650 to 1650 Max Blower CFM options for powerful, high-performance operation that meets virtually any cooking demands (Blower sold separately), 4-speed electronic controls offer the right speed for any cooking application, Equipped with Code Ready(TM) Technology (CRT), which provides the ability to reduce CFM levels to address local codes or make-up air requirements, Three levels of LED light intensities to supply as much light as you need, 10-minute delay-off feature offers additional convenience and peace of mind