From the Manufacturer The air king combination ceramic heater series brings comfort to your bathroom. With an air king combination ceramic heater, when you step out of the shower, you step into soothing warm air instead of the blast of cool air that sends you running for the largest towel in the room. The combination ceramic heaters provide instant heat to the specific location rather than heating the whole house. They will instantly make your home a more comfortable place providing the perfect solution for rooms in need of extra warmth. Hvi2100 certified with the switches and wall plate included with unit. The ak55l model features a 1350-Watt ceramic heating element, exhaust fan, and a moonstone glass light lens with a bright 100-Watt maximum incandescent bulb (bulb not included). It utilizes a self regulating ceramic heating element for enhanced safety, producing maximum heat while maintaining a low surface temperature with automatic over-heat protection. The ceramic element regulates the amount of electricity flow depending on temperature and adjusts it accordingly. It easily installs using the included adjustable hanging brackets or through the mounting tab keyhole slots. Model ak55l is a combination ceramic heater, exhaust fan, and light. Frosted moonstone glass lens diffuses light throughout the room and will not yellow and become brittle over time like most plastic lenses. 4-Inch metal duct connection collar with back-draft damper protects against drafts in the room. Heater, exhaust fan, and light can be wired to operate separately. 11.2-Amps. 70-CFM at 5.0-Sone provides exhaust capacity for rooms approximately 70-Square-Feet. Housing size: 14-1/2-Inch wide-by-8-3/8-Inch deep-by- 6-1/2-Inch high.