Lutron RadioRA Chronos Packages Chronos Packages include the greatest selection of Lutron RadioRA lighting control system features. Control your lights from anywhere in your home or from your car. Use the Chronos astronomical timeclock to automate lighting changes based on time of day or relative to sunrise/sunset. Simulate your normal routines using the "Away" mode to give the appearance that someone is home. Integrate with your security system and other whole-home systems using contact closures and an RS-232 input. Custom engraving is included for large button master controls to personalize your system. Chronos Packages also allow you to expand your system to 64 zones of lighting and 24 master controls to accommodate even larger homes. Information Sheet