Cheapest audio intercom handset interphone system

الوصف

Features:

1.Stainless steel or aluminum alloyed panel.
2.System suitable for the high and multi-storeys buildings.
3.Stainless steel s with light.
4.System can work normally even if short-circuit occurs.
5.MCU intelligent controllingandshort-circuit automatically self-inspectionreduces the cost of maintenance.
6.Circuit is double-sided patch andmoisture proof with high reliability.
7.Any Outdoor Unit can be expanded with access control and compatible with the audio phones.
8.Several unlocking passwords available to set.
9.All kinds ofelectronic lock, magnetic lock etc. for the system.
*0.Special hands-free intercom circuit design providesclear voice without squeal.
*1.It can revise all the parameters like ring type and unlocking time by keyboard adjustment.

Function:  Internal decoder,unlocking,intercom