Pentair 521883 IntelliTouch iS4 Four-Function Spa-side Remote, 50-Feet Cable, Grey IntelliTouch systems offer the flexibility to handle from 5 to 40 circuits that can be used to control any combination of pumps, lights, water features, etc. As an added benefit, user-configurable circuits (Feature Circuits) can also be used to control. IntelliTouch users can also dim any high voltage incandescent light such as Pentair Amerlites and SpaBrites up to eight levels using the IntelliTouch Dimmer Module. The dimmer module supports multiple lights from 100 watts up to 1,000 watts. Provides complete pool and spa controls that are fully programmable. ScreenLogic User Interfaces  Enables IntelliTouch users to control their pool and spa features using wireless color touch screen devices including PDA and Tablets and now have many other advanced features.