iHeater IH-101-B Infrared Heater, Heats Up to 500 Square Feet, Mini, Black Heats up to 500 square feet; plugs directly into standard 110v outlet or includes docking station adapter for stand alone use IHeaters remain cool to the touch after hours of operation; also includes internal overheat protection and tip over safety switch Comfort Core PTC infrared heating system is innovative bulb free technology; no need to replace bulbs Features include a digital thermostat display, settings for low or high speed and a timer for automatic shutoff Includes two additional outlets; one on each side of the heater