Descriptions:
No dial emergency telephone are widely used in elevators, residential areas, schools, stations, subway and other local call emergency call, the stainless steel material with good waterproof explosion-proof performance, embedded installation.
Characteristics:
1, can be stored in a group of speed dial numbers, terminal customers through the keyboard can store / delete
2, a group of switch signal output
3, the calling party hang up, the machine automatically hang up
4, extension 1 built-in speakers, can broadcast
5, incoming calls can be automatically answer
7, LED status indicator