CallToU Window Speaker Intercom System Glass Window,Intercom System for Business call button which can be connected to

which can be connected to a recording device

It comes with a lanyard

so there is no need to worry about not receiving SOS alert

Keep track of activities in your home or business and ensure the safety of your children and elderly loved ones without any annoying interruptions

Step 3:Separate the sensor/ Press the button on the call button again to confirm whether the receiver can sound

CallToU Window Speaker Intercom System Glass Window,Intercom System for Business call button which can be connected toProduct Description The window dual way intercom speaker system is suitable for any place where window conversation is difficult or noisy. It adopts advanced language processing chip plus unique design and strict quality management. It has the characteristics of clear sound quality, controllable volume, anti interference and anti howling. Ideal for the bank, hospital, securities, bus station etc. where guard glass again theft is installed. It is easy