LED lights for glowing artificial logs and realistic 3D fire flames -Set the flame effect to low, medium or high -Turn on the flame with or without the heat -The heat covers an area of 323 sq. Ft -Heater works quietly with a noise less than 55 d B -Manually operate the control panel or use the remote control -Effective distance of the remote control is 13 feet -Required CR2025 battery (included) for the remote control -CSA certification ensures safety use -Heater will automatically turn off when