Audio systems
Audio systems are the most simple, but effective enough safety features apartments, the entrance of dwelling house, office or country house.
Audio systems is two-way intercom and consists of CALL panel which is mounted, as a rule, on the outside of the door and subscriber tube inside. When button on the panel CALL tube produces melodic trill twice. That is, when you use audio systems eliminates the need for the usual traditional elektrozvonke. All audiotrubkah installed inside houses, there is a button opening elektrozamkov.
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Ringing panel
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Best Sellers
1. 
Jeja-A - Jeja Audio systems + signaling in the panel antivandolnom case
Price:
$ 40.00 
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