Duraflame 9HM9126-O142 Portable Electric Infrared Quartz Heater, Oak 5,200 BTU heater provides supplemental zone heating for up to 1,000 square feet Adjustable thermostat allows you to decide the temperature of your room Overheat protection, heater will instantly shut off before overheating Electronic timer function automatic timed shut off from 30 minutes up to 9 hours Overheat protection, heater will instantly shut off before overheating The infrared heat helps to maintain the natural humidity within the air, resulting in moist, comfortable heat without drying out the room's air