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The C-Tec Quantec Addressable Overdoor Light with Sounder QT606A is usually used as an area indicator or to provide 'follow me' lights and should be installed at the end of corridors or above fire doors, etc. As the overdoor light is addressable, it can be switched on when special or a group of certain call points are calling. The overdoor light incorporates a sounder.
Tags: c-tec, c-tec qt606a quantec addressable, qt606a, quantec call system - addressabl