Lightweight and portable mini panel space heater is perfect for under desks and tables. Easily attach the supporting legs and plug it in. Internal thermostat automatically adjusts to deliver a steady comfortable radiating temperature. No noise, exposed coils, and more energy efficient than most space heaters. Radiates just the right amount of gentle heat continuously and comfortably for pennies a day. 150W. 120V. 21" W. x 15" H. x 1" D.