MGC's Emergency Lighting products offer efficiency, quality, affordability, and universal designs that are ideal for all indoor applications. Efficiency Using the latest in LED technology, MGC achieves high brightness and low power consumption with a 50,000-hour bulb rating. Quality Built with a steel housing that provides corrosion resistance and durability.Affordability: No bulb replacement for the complete life span of the product. Fewer service calls, energy efficient, lower cost of ownership.Universal Design Versatility ranging from 120/277/347VAC universal input voltages, to ceiling, wall, or end mounting options.