NOTES: ZigBee hub is required.This device isn't Tuya-compatible, please do not use it with Tuya! Easy Installation: No wiring required. Snaps on top of an existing toggle or rocker light switch and mechanically controls the underlying switch. Home Automation: When you get home, turn on the light by using the voice commands to release your hands. Mount the THIRDREALITY Smart Switch on a fireplace switch and then turn it on or off on a schedule. Zigbee 3.0 Standard: A Zigbee Hub is required. Compatible with Zigbee hubs and Echo devices with built-in Zigbee hubs, including Echo (4th Gen), Echo Plus (1st & 2nd Gen), Echo Studio, Echo Show 8 (3rd Gen), Echo Show 10 (2nd & 3rd Gen), Echo Hub, Eero 6, Eero Pro 6, Home Assistant, SmartThings (2015/2018), Aeotec, Hubitat, Homey Bridge, Homey Pro, and Third Reality Hub Gen2 Plus. Wide Range Of Uses: No neutral wire required. 2 AAA Batteries -powered. Works with any voltage (12v, 24v, 110v, 220v). Ideal solution for low-voltage switches like those used with gas fireplaces. Narrow enough to fit 2-gang switches. Energy Savings: Precisely control the use time and strength of lamps or other equipment to reduce the frequency of replacement and maintenance costs. Automatically turn off lights when no one is home, saving energy and reducing electricity bills. More Smart Assistant Supported: Enabled by Smart Bridge MZ1 (Sold Separately), integrates with Apple HomeKit, Google Home, Amazon Alexa (Smart Speaker required) and SmartThings, to achieve easy control and monitoring. Additionally, it supports software OTA (Over-The-Air) updates. Third Reality Smart Switch Gen3 is a simple solution for automating your wall switches. It mechanically turns existing Toggle or Rocker switches on/off. Smart Switches can be placed next to each other in 2-gang, 3-gang or 4-gang switches. With Third Reality Smart Switch connected to a supported voice-enabled device, you can turn your switches on or off anywhere in your home by voice control. You can remotely control switched devices from anywhere with mobile apps from Amazon Alexa, Google Home, Smart things. Customize your Smart Switch by renaming it and creating automated timers and schedules using the Third Reality App.