NICOR LED Outdoor Emergency Exit Sign Red Lettering K 2.9W 120 277V (EXL51UNVWHR2) Tier8 Edwards Signaling Mortise Door Opener Tier7 Edwards Signaling Mortise Door Opener For Use As Part Of Remote Control Door Lock Operation Flush Mount Satin Zinc Faceplate And Nosing 3 6VDC (188 AF) Copper 1 4 Inch IPS (GPL1) Suitable for Outdoor and Wet Location settings Sealed Polycarbonate shield protects internal components 90 minute emergency battery backup (UL 924 compliant) 1 2 Volt maintenance free Nickel Cadmium 500mAh battery Injection molded thermoplastic ABS housing (UL94 V 0 rated) Dual Voltage for residential and commercial applications (120 277V) Features a Push To Test button with indicator light Includes universal mounting plate for ceiling or wall mount installation Mounting Hardware and installation instructions included Available with red or green lettering Removable covers for directional chevron arrows UL Listed for wet locations Protected by NICOR