The 23-inch electric fireplace is a versatile and convenient option for adding warmth and ambiance to any living space!With a heat output of 5000 BTU, this fireplace insert is capable of heating up to 400 square feet, making it ideal for small to medium-sized rooms. And the built-in thermostat allows you to adjust the heat output to your desired comfort level. As for visual feeling, the adjustable flame brightness creates the perfect ambiance for any occasion, whether it be a cozy night in or a gathering with friends and family. Safety is a top priority with this fireplace insert, as it includes overheat protection to prevent any potential accidents. The 6-hour timer feature allows you to set the fireplace to automatically turn off after a predetermined amount of time, giving you peace of mind and energy efficiency.