Safamily WiFi Door Sensor Or Window Sensor Smart APP Controlled for Home Security Alarm & Home Automation System and Monitor Your Door or Window Open or Closed Status Built-in 330MAH Recharge Battery

Price: $18.99
Product prices and availability are accurate as of 2020-09-26 06:24:11 UTC and are subject to change. Any price and availability information displayed on http://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
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Product Features

It is smaller and steam-line fashionable design It works with 2.4Ghz WIFI,easy to setup and Opearation,no HUB required When your door open or close,it will auto trigger and send an message to your Smartphone,so you will get the notification anytime and anywhere Bulit-in 330mah recharge battery,so you don't need to change battery if no power,also you can use a 5V USB adapter(not included) to power on the Sensor all the the time,then no need to worried about the power,stand by for 6month,also built-in speaker,sound alarm Two way for installation,one by sticker,one by screws,so you can install it according to your door or window situation in order to choose a best way

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