The 99 EM LED is a self-diagnostic emergency lighting module that was specifically designed to provide sufficient illumination during power outages for a minimum of 4 hours. The unit uses rechargeable batteries and consumes 9 watts of energy. The LED EM is a single complete assembly consisting of a .187 thick extruded door frame with an integral continuous hinge which is mounted to an IP65 enclosure housing, a protective lens, an LED light engine, battery pack, battery charger, and driver. The system has been tested at temperature range of -20°F to 130°F while discharging up to 6.5 hours of illumination on an 8-hour charge.