Suitable for applications requiring heavy-duty steel exit signage, such as light industrial warehouse or manufacturing facilities.&nbsp;&nbsp;<br>Sturdy, die-formed steel housing. 20-guage frame and faceplate.&nbsp;<br>Universal directional chevron knockouts are easily removed.&nbsp;<br>Letters 6" high with 3/4 stroke and 100 ft viewing distance rating.&nbsp;<br>Low energy consumption.  LEDs mounted on printed circuit board with lamp operating in normal (AC input) and emergency (DC input) modes.&nbsp;&nbsp;<br>The typical life of the exit LED lamp is 10 years.&nbsp;<br>Dual-voltage (120/277V).  Emergency models provided with test switch, status indicator and a battery that automatically recharges when normal power is restored.&nbsp;<br>Battery option: Emergency models provided with maintenance-free, sealed nickel-cadmium battery which provides 90 minutes of emergency power.&nbsp;<br>Universal mounting (top, end or back).&nbsp;<br>Mounting knockouts easily removed with J-box pattern on back panel, for use with 3-1/2" or 4" octagon junction boxes only.&nbsp;&nbsp;<br>Five-year limited warranty.