After leaving our back-alley garage door open a few times recently—fortunately, with nothing stolen out of it—we decided to add a door/window sensor.

A HomeKit door sensor is one of the most underrated HomeKit and smart home devices for building out automations and scenes.

Keep your home and family safe with Onvis Thread-enabled door sensor that sends notifications for ON/OFF state changes. It works with Apple HomeKit and other accessories, has low energy ...