Finally, reflective heat that you can use indoors or outdoors! This heater's design uses a patented Tungsten Halogen tube to heat an area of up to 150 square feet. The design uses emission-free technology and is safe to use indoors. Perfect in your garage, over a workbench, workshop, home or office. The built-in aluminum reflector directs back all of the heat from the halogen bulb, so, it's safe, no heat is wasted and all of it is targeted at you. The durable, weather resistant casing allows you to use it outdoors as well! Warm up a patio, back porch, carport or wherever you would enjoy some warmth. The 13 foot power cord plugs in to a 110v outlet. Easy to use on-off pull cord switch. The heater is 22"L x 7 1/2"W x 9 3/4"H. Weighs 11 pounds and includes mounting hardware.