A receiver can be set as a single zone, for controlling up to 4 outputs. For every zone, at least one receiver is required, depending on power ratings. The Play-XV can be used for single colors, tunable white, RGB and RGBW, depending on the selected controller. 
The Play wireless dimmers are available in RF (Radio Frequency) and RF+Wifi accessible. This means controlling by RF Wall panel, RF remote controls and Easy Lighting app is possible depending on the specifications of the receiver. Please note that all wireless devices are subject to signal coverage of controlling devices and/or Wifi networks.