Orbit ESLA-A-B-1-G-EB-SDT LED Cast Aluminum Exit Sign Aluminum Housing Black Front Plate W/ Single Face Green Letters, Battery Backup & S DIAORBIT ESLA A B 1 G EB SDT ESLA A B 1 G EB SDT Product Description Orbit ESLA A B 1 G EB SDT LED Cast Aluminum Exit Sign Aluminum Housing Black Front Plate W Single Face Green Letters, Battery Backup & S DIA Specifications: Manufacturer: Orbit Industries, Inc. Manufacturer Brand: Orbit Industries, Inc. UMIPart Number: ESLA A B 1 G EB SDTProduct Description: ORBIT ESLA A B 1 G EB SDT LED CAST ALUM EXIT SIGN,AL HOUSING,BLACK, FP,1F,GREEN LETTERS,BATTERY