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52 polyphonic melodies available Advanced technology of "different code on same frequency", thus mutual interference can be avoided between neighbours using the same doorbell
Working distance is up to 50M in unobstructed open space
It can be widely used for home, hotel, shop, office, factory, etc
It can also be used for message notifying alarm for the patients and elderly people
Wireless design, easy to install Low power consumption Weatherproof touch sensor transmitter with LED indicator 5 levels of volume cont
Collections: Lock + Secure, Soundteoh
