Here is an intrusion siren that helps keep thieves and strangers away from your property. The YoLink Smart Outdoor Siren & Alarm is powered by LoRa with a range of 1/4 miles. It works with the YoLink Hub. This smart siren has a noise rating of 110 decibels.
More gadgets like this: here
You can use the companion app to keep up with important notifications. More information is available here.
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