this exit sign model CERSD unlike other listings, this actually is the self diagnostic model. New in box, old stock exit sign. This actually is the self diagnostic model which has a sticker on it showing the trouble codes and testing instruction next to the test button as well as stickers on the boxes showing it is self diagnostic. red letters, 120-277vac, battery backup, advanced diagnostics uses power led to signal codes for bad battery, lamps, etc. can initiate a long self test via test button being pushed multiple times.
CERSD White Thermoplastic Exit, Universal Face, Red LED Emergency Exit, Self-Test/Self-Diagnostics, NiCad Battery, CEC T20 Compliant
FEATURES
• LED life-cycle exceeding 10 years
• Molded-in template for wall mounting, canopy included for ceiling or end mounting
• Dual-voltage 120 or 277V AC input
• Includes long-life Nickel Cadmium (NiCad) or Nickel Metal Hydride (NiMh) for UL recognized 90 minute emergency lighting
• Damp Location Listed 20°C to 30°C (68°F to 86°F)