xit Sign is an important legal safety requirement, in case of any emergency like fire in any building. An LED exit sign is an illuminated sign that uses LED light to illuminate the word “EXIT. The traditional incandescent & fluorescent technology that are used, consume large amounts of energy & also require frequent maintenance. Since these signs operate 24*7, there is a need to replace incandescent bulbs with efficient models with long lives to help reduce maintenance cost and effort. They offer savings of up to $300 per sign in reduced energy, materials, and labor costs as compared with standard incandescent models. LED exit signs are an array of very small LEDs either red or green in colour arranged in a line or circularly. Many exit signs come with a battery backup since they need to remain lit at the time of emergency, when a building's power is interrupted. It is a good option that buyers should look for. LED exit signs work at 120V or 277V. Exit sign manufacturers have made these products available at very competent prices. They are also easy to install. LED exit signs need to be approved for use by UL (Underwriters Laboratories) and should be compliant with local and federal building codes.