Portable Infrared Quartz Electric Heater finished in Espresso. The infrared heat helps to maintain the natural humidity within the air, resulting in moist, comfortable heat without drying out the room’s air. 5,200 BTU heater provides supplemental zone heating for up to 1,000 square feet. Patent pending Safer Plug™ fire prevention technology provides added safety by monitoring the temperature of the plug to prevent electrical fire, circuit or product damage. Digital thermostat allows you to decide the temperature of your room. Safe for use around children and pets. Overheat protection, heater will instantly shut off before overheating. Concealed casters roll in any direction. Portable unit comes fully assembled and ready to heat, requires no venting or gas lines.