The RadioRA 3 Sunnata RF Companion Switch allows you to expand the use of your client's RA 3 Sunnata RF Neutral Switch (RRST-8ANS-xx only) to create multi-location applications. Up to four Sunnata RF Companion Dimmer Switches can be used with one RRST-8ANS-xx - creating five points of switching control. Tap the top of the switch once to turn the light or motor On and tap the bottom of the switch to turn light or motor Off; push and hold the bottom of the switch to initiate a 30 second delayed off. No neutral required for companion; RRST-8ANS-xx requires neutral. Coordinating wall plate sold separately.