Smart Dimmer Switch, TESSAN Dimmable WiFi LED Light Dimmer Switch, Compatible with Alexa, Google Assistant, Smart Life APP, Single-Pole, No Hub, Need Neutral Wire (4 Pack). NEUTRAL WIRE IS REQUIRED - Quick installation with step-by-step guide. Some older houses may not have the NEUTRAL wire in the wall electric box. INSTALLATION AND WIFI CONNECTION CONDITIONS: ONLY Can be used in SINGLE-POLE, Can be connected to 2.4G WiFi(802.11b/g/n) ONLY, NOT Support 5G WiFi(802.11ac). Designed based on the standard box size, fit with 1/2/3/4 gang box.For use with up to 150 Watt of DIMMABLE LED/CFL or 400 Watt of Incandescent bulbs. VOICE COMMANDS AND REMOTE CONTROL: This smart dimmer switch Paired with the Smart Life app and works with Alexa or Google Home for a voice commands. You can easily set the ambiance of any room and control your lights from anywhere with Smart Life APP. You also can send voice commands to control all the functions of the switch by your alexa or google home. AUTOMATIC SCHEDULES AND BRIGHTNESS MEMORY: This is also a timer dimmer switch, would let you easily set automatic schedules for your lights. When you turn the led dimmer on, it will comes back on at the same brightness it was when you turned it off. The separate physical button brings a better reliability, the indicator has clear indication where the brightness is at. No hub or bridge required. We will follow up and respond within 24 hours. Width: 0 x height: 0 x length: 0 x weight: 1.3. The item "Smart Dimmer Switch, TESSAN Dimmable WiFi LED Light Dimmer Switch, Compatible wi" is in sale since Monday, July 27, 2020. This item is in the category "Home & Garden\Home Improvement\Electrical Supplies\Electrical Outlets, Switches & Accessories\Electrical Switches & Dimmers". The seller is "bestproductsbestcostumers" and is located in US. This item can be shipped to United States.