Calltou Window Speaker Intercom System – Dual-Way Anti-Interference Microphone & Speaker for Bank, Office, Business, Hospital Color:1 PACK Can the volume of the

Can the volume of the alarm be adjusted

Double Loudspeaker

Cycle Mode (F-03)

This means you can communicate freely without worrying about connectivity issues or additional charges

Calltou Window Speaker Intercom System – Dual-Way Anti-Interference Microphone & Speaker for Bank, Office, Business, Hospital Color:1 PACK Can the volume of theProduct Description Voice Communication Dual way intercommunicationThe Window speaker intercom system adopts auto dual way intercommunication technology,automatic indentification of processing speech signals during a call dose not require any action Knob Voice AdjustmentBank window intercom system has the ability to adjust the volume on the both sides; And knob design can be more convenient to operate; Less static noise or hollow sounding High