Pre-Conditions: Mobile device has biometrics enabled and stored.

Android:
  1. Sign in to Kidde app
  2. Select account and enable (toggle) "Sign in with Fingerprint"
  3. Note that biometrics only work to launch the device when the user is not logged out of app (One cannot use biometrics to log in to a logged out mobile app)
iOS:
  1. Sign in to Kidde app
  2. Select account and enable (toggle) "Sign in with Face ID"