Hubbell Lighting Compass® CEL Series Emergency LED Edge-Lit exit sign uses LED lamp that has voltage rating of 120/277-Volts. Single-face exit sign has power rating of 3.72-Watts at 120/277-Volts. It comes with green colored EXIT legend. It runs on nickel-cadmium battery. Exit sign has aluminum construction and supports surface mounting. It measures 15-Inch x 4-Inch x 10.3-Inch. Explicitly it is suitable for stairwells, hallways, offices and other commercial applications. It contains test switch, AC-On indicator, field-installed directional arrow indicators with template. Exit sign is UL listed and NFPA/OSHA standards.