Featuring an Overheat Protection System (OPS) that shuts the unit off if it overheats due to abnormal conditions, this DAYTON electric oil filled heater?s display will flash on and off to indicate that the OPS is activated. This heater is designed to add supplemental heat to a room after a few minutes of operation. Model requires no ductwork and is easy to install. Electric Oil Filled Heater, Radiant, Black This product contains a chemical that is regulated under California Proposition 65. Warning: This product contains a chemical known to the State of California to cause cancer. Warning: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm. -