Pentair 520503 Wireless Tablet w/Color Touch Screen from TC45 kit works with Pentair ScreenLogic Interface.  Unit works great with Pentair Systems.  Unit is used and has scratches on the front, see photos.  Needs new battery, works but life is short out of cradle, see photos for battery information.  Touch screen PC runs on Windows OS.  Replaced pool control panel and no longer needed.  Sold as-is.