This dual lamp head industrial exit combination emergency light meets requirements for the city of Chicago. The LLXC is ideal for light industrial applications where steel housing emergency lighting is required.&nbsp;&nbsp;<br><br><ul><li>20 gauge steel housing</li><li>Dual-voltage input capacity (120 or 277 volts)</li><li>White or black powdered coat finish</li><li>Metal lamp heads with LED PAR36 style lamps</li><li>Maintenance-free lead-acid battery provides 90-minutes capacity to lamps</li></ul>