This non-maintained LED Emergency Light is designed to turn on in the event of a power failure. It has It is linked into the building's lighting circuitry and reacts to a power failure ensuring emergency exit routes remain illuminated. In addition, it has a self-test function, where a test button is positioned at the front plate of the light that enables self-testing. This type of emergency lighting is mostly found in the workplace, such as offices and factories, where people are familiar with the escape routes.