Kasa Smart Dimmer Switch HS220, Single Pole, Needs Neutral Wire, 2.4GHz Wi-Fi Light Switch Works with Alexa and Google Home, UL Certified, No Hub Required, 1 Pack

Wi-Fi Enabled Smart Dimmer Switch with brightness control. Note1: Requires neutral wiring. 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.
Is Discontinued By Manufacturer ‏ : ‎ No
Product Dimensions ‏ : ‎ 1.77 x 3.35 x 5.04 inches; 3.84 ounces
Item model number ‏ : ‎ HS220
Date First Available ‏ : ‎ March 10, 2018
Manufacturer ‏ : ‎ TP-Link
ASIN ‏ : ‎ B079775ZZQ
Country of Origin ‏ : ‎ Vietnam

App-Guided Install: The Kasa or Tapo app guides you through step-by-step setup. Requires neutral wiring and 2.4 GHz Wi-Fi. Consulting an electrician is recommended if you’re unfamiliar with electrical wiring.
Control From Anywhere Turn electronics on or off from anywhere with your smartphone using the Kasa App (Compatible with Android and iOS)
Voice Control: Enjoy the hands-free convenience of controlling the lights in your home with your voice via Amazon Alexa, or Google Assistant. Perfect for times when your hands are full or entering a dark room.
Gentle Off: Tailor your lighting to fade on with a click of the switch or a double-click to gently fade off the lights while your child drifts off to sleep.
Advanced Scheduling and Timer: Use timer or countdown schedules to set your smart switch to automatically turn on and off while you’re home or away. Enable Away Mode to randomly switch on and off to trick potential intruders. Dimensions without panel 4.13*1.71*1.74 in. (105*43.5*44.21mm)