Product Description The Maestro companion switch is designed to complement a Maestro switch. The easy-to-operate tap switch turns lights on and off. Up to 9 companion switches can be linked to a Maestro switch, for a total of 10 areas of control. Maestro accessories provide light control convenience for hallways, stairways or any room with multiple switch controls. Coordinating Claro wall plate sold separately. From the Manufacturer The Maestro companion dimmer switch is designed to compliment a Maestro switch or a 6A or 8A Maestro wireless multi-location switch. The easy-to-operate tap switch turns lights on and off to your favorite light level or tap twice for full on. Press, hold and release the switch for delayed fade-to-off. Delayed fade-to-off gives you 10-60 seconds to leave the room or get into bed before the lights go out. Up to 9 companion switches can be linked to a Maestro or Maestro wireless switch, for a total of 10 areas of control.