Electric fireplace insert provides up to 5,386 BTU/1,500W and warms up to 1,000 square feet (heats a large room) 6-level temperature setting LED-lit flame operates with or without heat and features 7 preset color options plus auto loop replay (8 presets total) Realistic-looking crystal flame bed changes color to match the flame 5 flame speed settings plus auto loop replay (6 presets total) Timer function with programmable ranges from 10 minutes to 9 hours Ambient down light with on/off function and four-color LED light Built-in audio speakers with wireless connectivity Touch button controls and remote control Overheating control device Power cord included; UL Listed Assembly required