Enerwave Z-Wave ZW15S Wireless Lighting 3-Way Switch, Compatible with Alexa Voice Control, NEUTRAL REQUIRED Replace existing standard wall switch to enable wireless ON/OFF control of the connected load via Z-Wave network. Blue LED for easy location Smart switch for home automation allows both manual and remote control from any smart phone, tablet, PC, or any other device connected to the internet Compatible with Z-Wave association to control multiple Z-Wave devices together in a scene. Extends range of Z-Wave network up to 100 ft. Can be used with both single pole (Single switch) and 3-way (Multiple switches) with the Enerwave ZW3K auxiliary switch (Sold separately) Neutral wire required! Includes 2-year manufacturers warranty. Requires Z-Wave hub. Wall plate not included