The THIRDREALITY Smart Switch is a battery-powered, no-wiring-required Zigbee smart switch that snaps onto existing toggle or rocker light switches (including low-voltage ones like gas fireplaces). It provides mechanical control, works with major Zigbee hubs and ecosystems (Home Assistant, Alexa, Google Home, Apple HomeKit via bridge, etc.), offers scheduling/automation, energy savings, and OTA updates. A Zigbee hub is required. This device is NOT compatible with Tuya platforms. Key Features: 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 Standard Compatible: Works with compatible Zigbee hubs or Echo devices with Zigbee hub built-in, such as Echo (4th Gen), Echo Plus (1st Gen and 2nd Gen), Echo Studio, Eero 6, Eero Pro 6, Home Assistant, SmartThings 2015/2018, Aeotec, Homey, Hubitat, Homey Bridge, Homey Pro and Third Reality Hub, Smart Bridge MZ1. Compatibility is assured for equipment mentioned. For items not listed, their compatibility remains unconfirmed, so we advise proceeding with caution. 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. Specifications: Product Dimensions: 1.76 × 0.77 × 4.72 inches Product Weight: 3.21 ounces Manufacturer: ThirdReality, Inc Country of Origin: China What's in the Box: Smart Switch × 1 User manual × 1 Protective Film × 2 Fastener × 2 Spacer × 6 Screw × 2 Battery × 2