The Linear Z-Wave 3-Way Wall Accessory Switch works in conjunction with a main Z-Wave switch (or outlet) to create a virtual 3-way dimmer switch. The connected light can be controlled manually with either of the switches, or with a Z-Wave controller up to 100 feet away. With support for scenes, the switch can control up to five devices at once. FEATURES: Controls up to 5 different devices. Fits in a standard J-box. No traveler wire required. Decorator wall plate included.