Happy to hear that you're liking the quality of the sensors and that the setup process was easy! We're constantly updating our app to improve the usability and features available based off user feedback, so I'll definitely pass your feedback along to the team.
Sorry to hear that you ran into some issues with the power adapter, definitely not something we'd want to see. We'd be more than happy to provide a replacement adapter, please feel free to reach out to us at support@pulsegrow.com so we can get you sorted! - John