Not all exit signs are fit for the wet and corrosive environments, this Nora Lighting Exit sign/Emergency light fixture has a gasket protected housing to protect the electrical components from unwanted elements. The connections will be free of any water or corrosion, and it will function the same as the traditional fixtures in other commercial applications. In the case of emergency, both the letters and light will operate for 90 minutes under battery power, providing a great industrial product or any other applications desired.