The 25 big view Flame lux indoor electric fireplace displays a flame effect with heat for added warmth. You can also use it without heat when you only want decoration and ambiance. Plugging into any standard three-prong outlet, this is a versatile device that is easy to set up and use. There are five flame effect brightness settings to choose from, along with LED technology that uses energy efficiently. An automatic shut-off function makes this fireplace electric heater safe and prevents overheating.