The blue light system refers to an emergency call help system for use in public places. The emergency dispatching system terminal generally uses an alarm column composed of a blue warning light and a blue alarm column. The blue light system, which uses a blue light, has an obvious warning light at night, giving a safe feeling.
Window intercom system, that is, window intercom, is a one-to-one internal and external intercom device, mainly used in the service window industry where it is difficult to talk inside and outside, such as bank windows, station ticket windows, etc.
The hospital intercom system is based on the hospital bed call system construction and use requirements, medical intercom, doctor-patient intercom, ICU visits, public broadcasting, using the internal network to design a set of digital IP network internal intercom system
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