A: Features a non-toxic non-radioactive material used two light absorption speed, brightness, long afterglow time, long life low cost 4 3 Installation does not require any power supply, is an energy-saving and environmental protection products involve a wide range of 5 Use a wide range of self-luminous glass mark II: Illuminated Signs afterglow data III: Purpose and scope of application is mainly used in the fire evacuation signage system ,, signposts systems, underground rail tunnel marking systems, shopping malls evacuation systems, public information indicates that the warning system and so on. Use light-emitting flag can play the role of ordinary signs indicate, while its light-emitting function can play a role in the diversion evacuation in case of emergency