Here is another sensor that helps you monitor your place and get alerts when someone intrudes on your space. The Duo sends you an alert when light and motion are detected. Unlike other sensors, this is a cellular connected device, so you won’t need WiFi or Bluetooth.
More gadgets like this: here
The Duo can be used to secure guns and medicine. It works in any dark and motionless space. The battery lasts up to a year.
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