Electric fireplace insert provides up to 5,386 BTU/1,500W and warms up to 1,000 square feet (heats larger rooms) 7-level temperature setting; 5 levels of flame brightness LED-lit multi flame display operates with or without infrared heat Realistic-looking log set with dynamic glowing embers Remote control with LED display Timer function with programmable ranges from 10 minutes to 9 hours Overheating control device Power cord included; UL Listed Assembly required