Ener-G+ Indoor/Outdoor Freestanding Electric Patio Heater, Black Uses standard 120 volts outlets and provides 900 watts of quiet warmth Perfect for under the outdoor table to provide warmth Safe and environmentally respectful with no carbon monoxide emissions Heat source is a 5,000 hour carbon filament lamp (infrared bulb) Water resistent (IP X4) and dust proof certification (IP 2X)