Wearsafe and Wear OS work together several ways. Everyone can receive notifications from the App on their Wear OS watch. For subscribers, you can also check your active network, send alerts, and see whether you have an active alert from your watch.
To use your Wear OS watch with Wearsafe, you must install the Wearsafe Watch App in the on your Wear OS watch. You can also customize your watch face to include a Wearsafe complication. The Wearsafe complication shows your alert status on your watch face, and tapping will start the countdown to send an alert.