Core Lighting RGB-CT500-WIFI-ZR RGB+W Series ControllerCore Lighting RGB CT500 WIFI ZR RGB CT500 WIFI ZR Product Description Connect up to 12 RGB CT500 WiFi ZR Zone Color Control System to a singlecompatible RGB CT500 WiFi. With the addition of white light, brighter colors can be achieved as well as the introduction of the pastel range, which will satisfy color requirements for the most discerning lighting designer Features: RGBW zone receiverConnects up to 12 RGB CT 500 WiFi ZR to a single RGB CT500