FASTER Z-WAVE: Add wireless on/off control to your lights when you connect this switch to your Z-Wave system (hub required, sold separately). Compatible hub needed. DIRECT 3-WAY SOLUTION: No add-on switch needed! Works with regular 3-way switches as long as NEUTRAL is present. Wire it just like the ZEN21 model. Please follow the appropriate diagram in the manual and rewire both boxes exactly as shown. Works great as a single pole switch too!
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