This highly efficient ceiling mount 2-sided emergency exit sign / blade comes with an environmentally friendly long-life battery with a 3-hour duration during loss of supply. The attractive design provides visibility up to 25m in both directions and has a range of accessories for recessed, suspended or side-on wall mounting. The ONTEC G is ideally suited for corridors or open spaces in living accommodation, offices, hotels, airports and other public areas. The laser etched acrylic backing and highly efficient LED edge illumination combine to provide an exceptionally uniform light distribution to improve visibility in misty or smoke filled environments.