The Dyna-Glo Pro 4800W Electric Garage Heater is a high-powered industrial grade space heater designed for large areas up to 400 square feet. With two heat settings and a 16000-16999 BTU heating rating, this unit provides efficient and effective heating in a variety of settings. The heater features a steel heating element, auto shut-off, overheat protection, and a NEMA plug for easy use. With a 240V power source and a 4-foot cable length, this fully assembled unit offers convenient and reliable heating for garages, workshops, and other indoor spaces.