This is a commercial-grade desktop phone, auto dials pre-programmed number (e.g. 911) when handset is lifted off.
Specifications:
▶ Works on any analog phone line (PSTN, VOIP) that is FSK or DTMF compatible
▶ Telephone line powered
▶ Weight: 3.1 lbs
▶ Easy to install and program
Applications:
▶ Emergency phones
▶ Medical Alert phones
▶ Emergency elevators
▶ Use with courtesy phones in airports, airlines, hotel lobbies, car rentals, etc.