FeaturesSolid state voltage limited chargerBrownout protectionLow voltage disconnectOverload/short circuit protectionTest switch/power indicator light3.6 VDC, 0.78 W DC long lasting LED headsUniversal face green lettersSealed nickel cadmium battery1.55/1.45 W input power0.14/0.04 power factorAll components are injection molded, color stable, high impact thermoplastic materialDesigner white textured finish standardComponents are of snap fit construction to facilitate under 5 min installation reinforcing ribs throughout to provide maximum strengthMolded-in wireways facilitate internal wire routing and connectionsAll components including battery and electronics are located inside the exit housing, snap fit canopy with captive mounting screws included with all exits10 to 40 deg C operating temperature60 Hz frequency ratingLong life LED lamps provide uniform diffused illumination90 min battery runtimeEmergency exit combination light fixture