Finally reflective heat that you can officially use indoors OR outdoors! The PH-12A from Sunpentown uses a patented Tungsten Halogen tube to heat. The PH-12A uses emission free technology and is now safe to use indoors in your home office.The aluminum reflector on the PH-12A reflects back all if the heat from the halogen bulb, therefore there is no heat wasted and all of it is targeted to you. The PH-12A was also build with a durable weather resistant casing so that you can even mount it outdoors!If you need heat right away without all the waste of a typical electrical heater, try the PH-12A today!