Download the locksure app from:

Locksure iOS App

Then press the red ‘+’  on the app and add as ‘Lock Sensor’ and follow instructions in the app.

Android app will be available on June 15th.

If the lights have stopped flashing during install, just press the setting pin to wake the device. If this does not work, remove and replace the battery.

Alternatively use the small barcode on the box to directly pair to your matter ecosystem if you do not require the app.