Sonata 1500W 50 inch Built-in Recessed Electric Fireplace(Model:EFSON50) Product Information 3 flame colour-changing options 10 fuel bed colour presentation 5 Stage lighting intensity 3 flame speed model 3D flame effect - Create a truly realistic flame effect Brings atmosphere, elegance to any room. Adjustable thermostat Interchangeable module for easy customization(Crystal and Woodlog) LED digital display on front screen - Disappears after 30 seconds Unsurpassed realistic flame patter Touch screen control panel Enjoy the ambiance of the flame with or without the heater Two levels heating and thermostat functions,quickly warms up Designed with front flow heating with hidden venting, The venting is located at the top of the unit allowing heat to cascade down in front of the glass. Variable Heat & Variable Flame 240 Volt – 1.5 Kilo watt/ 5000 BTU heater Built in timer mode for shut off in 30 minutes to 8 hours The fireplace has an auto over-heat protection switch for safety Sleek remote control Can be installed beneath a TV 100% energy saving LED technology. No gas, ethanol, propane, or gel cans required.