intercom Speakers is a speaker calling system for communication between operators and workers in a high building. It is consists of Speakers, a power source, and a wire socket. The socket is standard and can add more Speakers when the building is going up need more Speakers on each Floor.
How to use the Intercom Speakers?
It is very easy, just press the button to talk, and the other Speaker in the Hoist Cage will hear you.
A special feature of intercom Speakers is it has an Alarm Button. In case of any Emergency occur on a Floor, the people who need to ride the hoist can press it. And this will send a signal to Operator and this person can use the ride the hoist as soon as possible.