⭐ Top self defense tools
So you would like to monitor for unexpected activity around your windows or doors? This Onvis Door/Window Contact Sensor has you covered. It sends you automatic notification and lets you know when your door is open. The CT2 Bluetooth 5.0 contact sensor is compatible with HomeKit.
This sensor keeps track of events over 30 days. It plays well with Apple Watch too. Its battery lasts for over a year.
[where to get it]