Lutron Caseta Wireless Smart Lighting Dimmer Switch for Wall & Ceiling Lights, PD-6WCL-IV, Ivory, Works with Alexa, Apple HomeKit, and the Google Assistant Works with Amazon Alexa to support dimming through voice control (Smart Bridge required, Alexa device and Smart Bridge sold separately) Replaces an existing switch and installs in 3 steps in as little as 15 minutes; Ideal dimmer for all homes, as it does not require a neutral Can control up to 17 bulbs per circuit (based on 8.5W LED bulb, 60W incandescent equivalent) Tested and recommended for use with over 1,000 bulbs (for recommended LEDs, please see "Technical Specification") and works with up to 150W dimmable LED/CFL or 600W incandescent/halogen bulbs For added convenience use with Pico remote (PJ2-3BRL-GXX-L01) to turn lights on/off or raise/lower to adjust brightness For multi-location applications, use with Caseta Wall Mount Kit (PJ2-WALL-WH-L01, sold separately) Works with your voice assistant or smart phone via the FREE Lutron app for Ios AND Android (Smart Bridge required) Connects with more leading smart home brands (including Amazon Alexa, Apple HomeKit, the Google Assistant, Nest, Serena shades, and Sonos) than any other leading smart lighting control brand (Smart Bridge requried) Includes (1) Caseta Wireless Smart Dimmer Switch; Coordinating wallplate sold separately