I picked up one of these from Lowe's this evening for only $10:
https://enbrightenme.com/enbrighten-ind ... itch-white
The price point alone was worth me trying to investigate if it was possible to reverse-engineer, but aside from capturing UDP packets from the device every 5 seconds via Wireshark, I'm unable to see any additional traffic to/from the device when turning it on/off from the iOS app.