Seven panels evenly heat the whole room all day long up to 150 square feet. Oil-filled heating uses less electricity compared to most space heaters. Totally silent operation never disturbs sleep or conversation. Control panel features timer for energy savings and safety. Built-in safety features include overheating protection and tip-over kill switch. Unlike convection heaters that require a fan to pump out hot air this space heater uses diathermic oil inside its radiating fins to keep you warm without making a sound. Included remote control saves your energy when you set the time and temperature from the couch. The oil inside the panels heats quickly and stays hot for a while even after you turn the heater off. Compact space heater features a thermostat for your convenience and an automatic shut-off function that prevents overheating.