ClassicFlame Serendipity Infrared Wall Hanging Fireplace Heater 4,600 BTU heater provides supplemental zone heating for up to 400 square feet Flame effect can be operated with or without heat, providing the ambiance of a gentle rolling fire all year long Spectrafire offers 3 blue flame brightness settings and an additional setting with a traditional flame effect Decorative LED sidelights glow with five color options: Amber, Blue, Amber & Blue, Color Cycling and Off Adjustable thermostat allows you to decide the temperature of your room