DESCRIPTION The infrared heater contains an infrared heating carbon tube and a gh-rated heating system that provides heat evenly. Like the sun, our infrared heaters heat objects directly carries its energy directly to objects and humans with infrared rays. Reflective heating technology replicates the sun s rays, producing no odors, chemicals or fumes and warming the object or person in front of the heater rather than the front air. The heater is 1500/2500/3000W. The heater is both indoor and outdoor heater because it's waterproof, but it's not like a propane heater. It's like a space heater, and it heats the space in front of it rather than the whole room. It's will be nice when you have a chat in your porch or in your balcony in the cool morning and evenings. Attention: Power 1500W is suitable for housing plug strip, Power 2500W & 3000W is suitable for industrial plug strip! Bulky items will attract extra cost. You can then decide to pay for the postage or cancel the order.