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The smart message board has a variety of use such as the ordinary writing board; the electric cat's eye device; smart communication equipment. It can connect the family network via bluetooth and display the current date, weather, message. It has its own APP.It is concise,easy and has a multistage structure size. You can select one according to your home size.The most prominent is the unique distance (height) sensors.It can identify people's height. Whenever and whoever side through the door in or out, all will be displayed on the mobile phone. Last this product is especially suitable for the family which have the old or children.
Chengdu University of Technology