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
Introduction In outdoor environments, communication is crucial for smooth operations and ensuring the safety of individuals. However, harsh weather conditions...
Eftir því sem tæknin heldur áfram að þróast, treysta atvinnugreinar í auknum mæli á fjarskiptakerfi fyrir skilvirk og áreiðanleg samskipti. Hins vegar eru ekki allir...