ZOOZ Z-Wave Plus Toggle On Off Wall Switch ZEN23 (White) VER. 2.0, Works with Existing Regular 3-Way Switch FAST WIRELESS AND LOCAL CONTROL: Manual or remote on/off control from your mobile device or computer (when included to a Z-Wave gateway controller - sold separately). Reports status instantly. DIRECT 3-WAY SOLUTION: no add-on switch needed! Works with mechanical 3-way switches as long as NEUTRAL is present. NEW VERSION: Short screws and neutral jumper INCLUDED. Remembers and restores on/off status after power failure. WORKS WITH YOUR HUB! Based on the universal binary switch command class - supported by most Z-Wave controllers. Z-Wave Plus certified &gt; better range and communication speed. CHECK YOUR WIRING FIRST: Neutral wire is required to complete installation!