Housing Dimensions: 10-1/4" x 7-3/4" x 3-3/4" ; Grille Dimensions: 12" x 9-1/4" x 1/2" ; Shipping Container Dimensions: 14.9 x 11.2 x 6.2 inches Factory wired for 1500-Watt at 120VAC I easily converts to 750-Watt at 120VAC or 1500-Watt at 240VAC Heavy 20-gauge steel; louvered to direct air downward for even room heating Front-mounted, built-in adjustable thermostat automatically maintains desired temperature and features a color coordinated knob 100 percent efficient heating element - alloy heating element provides comfortable heat in seconds - Zig-Zag element configuration insulated with mica Complete assembly removes from housing for easy cleaning with permanently lubricated motor This wall heater is perfect for bathrooms, entryways, or other small areas where you need added warmth on demand. Factory wired at 1,500W, at 120V AC, it can be easily converted to 750W at 120v AC or 1,500W at 240V AC for added versatility. White grille has down flow louvers to direct heat gently toward the floor and a one-piece design with baked enamel finish for durability. Adjustable, front-mounted thermostat offers a simple way to control the level of heat. Rapid warm up time due to an efficient Alloy heating element that provides comforting heat in seconds. Heater may be recessed or surface-mounted, depending on your application (surface mounting requires Model 84 surface mount kit). Permanently lubricated motor, high efficiency blower wheel, Nickel-chrome alloy heating element and a manual reset thermal overload protector combine to ensure reliable operation and years of trouble free heating. UL Listed for safety. Also available in project packs (171H Rough-In Housing Kit, and 174F without thermostat or 174FT with thermostat Finish Kits) for the convenience of contractors working on multi-unit projects. Wall heaters are intended to provide supplemental heat from a wall location and not to take the place of the home's main heat source.