If you have ever been buzzed into a home or apartment complex, you most likely have had some experience with an intercom system. An intercom system is a two-way communication device that allows individuals from inside a facility to communicate with individuals on the outside. Intercoms are a security device that transmits audio or video to the person inside so that they can screen and decide who...
from Blog – The Flying Locksmiths https://ift.tt/36nhC0x
via IFTTT
No comments:
Post a Comment