This energy-efficient space heater is perfect for indoor use, with a heat output of 500 watts and two heat settings to choose from. It is designed with a portable form factor and a radiant burner type, making it ideal for use in bedrooms, home offices, and study rooms. The heater comes with one user manual and is made of ceramic material with a copper heating element. It has a standard operating sound rating and does not require batteries. This unit is corded electric and uses a forced air/fan heating system. The product dimensions are 2.6"D x 5"W x 5"H and it weighs 15.5 ounces.