One used Maxspect Syna-G ICV6 Connect Controller.

This simple and powerful controller lets you connect and control any Syna-G compatible product such as lights, and pumps to a single control source. The Syna-G is all that you need to stay connected with all your Maxspect products. Keeping installs clean and easy. With a wireless range of 30 ft, you can use your favorite iOS or Android device to change setting, preferences, and schedules for each individual component.

Compatible with:

Maxspect 300 Series Gyre Pumps
Maxspect Ethereal LEDs
Maxspect Razor X LEDs
Maxspect Recurve LEDs
Maxspect Turbine Duo Pump