Description World's First Smart Relay Switch with a Built-in Bluetooth Reapeter That Supports Matter This device allows direct control of appliances through Alexa, Apple HomeKit, Google Home, and SmartThings (compatible speaker required). With its integrated gateway, you can safely and conveniently connect with other smart devices from different brands. Instantly Make Old Devices Smart This compact 1.65 x 1.45 x 0.63-inch device fits most switch boxes and outlets without rewiring. It offers a quick 10-minute installation for remote control and automation of lights, fans, heating, and air conditioning. Monitor Electricity Usage Relay Switch 2PM allows you to control a two circuit channel while accurately monitoring energy consumption and power, generating detailed graphs. SwitchBot provides a free 2-year app data cache to help you analyze and manage energy usage. Multiple Control Option Connect via Wi-Fi without a hub to control appliances remotely via smartphone. If the internet is down, use Bluetooth for local control. Matter Protocol supports direct connection to Alexa, Apple HomeKit, Google Home, and SmartThings, enabling voice control for hands-free convenience. Custom