304 stainless steel, anti damage and easy to install.
Wall mounted and build in hearing aidsn.
The wire was made by Teflon, oil resistance, acid resistance and alkali resistance.
Automatic dialing function: Press the emergency button, and it will automatically dial the designated number for you after 3 to 5 seconds.
Usage: Railway, Highway, Bank, University, Hotel, etc
In emergencies, prompt and efficient communication can mean the difference between life and death. Emergency responders, law enforcement agencies, and...
Introduction: Communication plays a vital role in the industrial sector, as it ensures smooth coordination, timely decision-making, and increased productivity....