NOTE: Requires a neutral wire / Works in a single-pole setup only / Secured 2.4 GHz Wi-Fi network connection. Wi-Fi Enabled Smart Dimmer Switch with brightness control, 3-Pack. If no neutral wire is present, installation cannot be completed.Note2: Works in single pole wiring only. Note3: Requires a secured 2.4 GHz wireless home connection. Please consult a professional electrician if you are unfamiliar with basic electrical wiring. You may return items in its original condition within 30 days. The item "Kasa Smart Wi-Fi Dimmer Light Switch 3-Pack by TP-Link Dim Lighting from An" is in sale since Tuesday, November 13, 2018. This item is in the category "Consumer Electronics\Surveillance & Smart Home Electronics\Other Smart Home Electronics". The seller is "mightygalaxy" and is located in Las Vegas, Nevada. This item can be shipped to United States.