Feature 1Practical: Conventional switches and this smart module can work independently, and can be controlled via an app using a smartphone, without the need for a separate hub. 2Circuit Connection: Can be used for 1 or 2 circuit (2 switches control 1 lamp), simply connect to one of 2 switches and convert the connected device into a smart device (for 2 circuits). 3Features: Use for Tuya and Intelligent life app to fully control connected devices with timers, schedules, and countdowns (1, 5, 30 minutes, 1 hour, etc.), allowing you to share control with your family. 4Voice Control: Allows voice control of home devices for hands free experience, compatible with for MINI WiFi Switch and for Amazon Tap and for Google Home Assistant. 5Hidden Installation: Suitable for wall switch boxes, easily hidden into hidden wall switch boxes, without affecting your decorative style, making it intelligent.SpecificationItem Type:WifiSmartSwitchMaterial: PCWIFI: IEEE802b/g/n 2.4GHzInput Voltage: AC 100-240VOutput Voltage: AC 100-240V .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x WifiSmartSwitch1 x Manual