,,Apartment door status detector 'status interrogation apartment door with an integrated alarm station

摘要

"Apartment door status detector " status interrogation apartment door with an integrated alarm station characterized in that the ‘ apartment door status detector " of at least one push button (pos. 1) or switch (pos. 1) in connection with an integrated alarm station (pos. 2) and in the opening of an apartment door (pos. 3), adjacent to, on or in which it is mounted, a random information request instruction.