The Eterna Maintained LED Emergency Exit Box Sign is the ideal solution for use within Schools, Shopping Centres, Apartment Blocks, Hotels, Hospitals and Office buildings. This emergency box is prepared for maintained operation, but can be easily adapted to be used non-maintained. This Emergency box operates up to 3 hours off charge in the event of an emergency. This fitting features the universally recognised signage for emergency exit (downwards arrow), and a test button, allowing for regular maintenance checks to ensure the most effective emergency solution for your business. This model features steel construction with polycarbonate sheel. Main Features: Steel Body Ideal for Internal Use Legends Included can be configured to non maintained Technical Specifications: IP Rating: IP20 Operating Time: 3 hours Battery Spec: Ni cad 3.6V 3 cell 1500Ah complete with LED strip Dimensions: 390mmx192mmx60mm Wattage: 4W Specification Sheet 1 Year Guarantee Included