Photoluminescent fire exit sign with up arrow that glows in the dark Easily recognisable safety signs with text running man and directional arrow Cost effective solution for situations where visibility is impaired Constructed from P.S.P.A class B material - Brighter than standard class A product used in regular safety signs Tested to BIN 67510 Part 1-4 for after glow performance When fully charged these signs will glow for 10+ hours Continuously charged by sunlight or light from artificial sources like lamps lights and other sources UV resistant & visible even in complete darkness Suitable for use internally and externally High intensity flexible vinyl or rigid 1.3mm board construction available All photoluminescent signs have a self adhesive backing