The NICOR ECL3 Series Self-Diagnostic LED Emergency Exit Sign Combo with Battery Backup Lighting features a low-profile design with the latest in emergency lighting technology. The self-diagnostic function automatically tests and reports on the status of the fixture to satisfy NFPA safety requirements. A redesigned housing keeps the fixture lightweight and very easy to install with the EZ Quick-Connect mounting plate. The injection-molded thermoplastic housing is flame rated (UL-94 5VA) for added safety. An integrated Nickel-Cadmium battery provides 90-minutes of emergency run-time that kicks on if the power goes out. Two emergency LED heads on each side are removeable and adjustable for increased visibility when it''s needed most. The ECL3 is available with red or green lettering and includes an additional faceplate for the backside and removable directional arrows. Protected by NICOR''s 1-Year Limited Warranty.