The exit boxes can be operated in maintained or non maintained mode, the low profile easy to fit exit door emergency light is suitable for interior use and is designed to be fixed to the ceiling.
On failure of the mains supply the built in back up battery (replaceable) takes over and illuminates the sign for the required minimum 3hrs. Designed for defined escape route applications. The exit boxes are available in LED maintained and double sided LED.
You can also purchase the replacement legend for the LED lighting exit box in arrows right, up, down and left.