Warmth meets comfort with our 23-inch electric fireplace insert!This electric fireplace heater is designed to efficiently heat spaces up to 400 square feet/37㎡ with its impressive 5000 BTU output, giving you the option to choose between 750W and 1500W settings for maximum convenience. The flame effects can be customized in 3 different colors and brightness levels to suit your personal preferences. Safety is a top priority with this UKCA-certified fireplace, which includes overheat protection and an adjustable thermostat for precise temperature control ranging from 18℃ to 28℃. Additionally, the fireplace insert comes with a user-friendly remote control for easy adjustments. The quiet operation of this fireplace heater allows you to focus on your tasks without any distractions.