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How to determine the best escape route for the first time is a key factor in people's escape , and therefore have a dynamic label display plus sound The guidelines will accelerate time to escape .
( 1 ) installation of the broadcaster on the link marked escape smoke detectors when smoke is detected a warning will be issued sound( 2 ) the indicator is also fitted with escape system receiver, when the system detects a fire , will pass Send a message to the indicator , the indicator on the mark because of the location of the fire source and appear as red or green .( 3 ) projected light indicator also lets people see crawl