Sure Lites dual LED emergency light is designed to reduce egress system cost and maintenance as well as improve reliability. Contains long lasting leds, a proprietary adjustable construction and 300 lumen acculed optics delivering sufficient illumination. Manufactured with a rugged sheet metal housing for durable use with an external battery disconnect and EZ hang feature reducing installation time and cost. Requires a nickel cadmium battery providing a minimum of 90 minutes of run time. Product is city of Chicago and new York city Compliant and includes a 5 year warranty.