(1888 PressRelease) Zen Node wireless appliance "listens" to the sound of a fire alarm and notifies you by SMS/email. Zen Node also has a built in "Help" button that allows anyone in need to summon your help immediately. The communication between you and Zen Node is direct and does not depend on external service. There are no service plans, fees or contracts, making it the lowest cost monitoring device in the market.
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