Features: 1Advanced Control Association: Forget about the hassle of rewiring your system. You can set up dual control or even multiple controls on a single lamp via APP. This gives you more flexibility and ease in controlling your lighting needs. 2Customizable Power On State: Maintain ultimate control over your devices according to your life style and needs. Set up the power on state of your devices upon incoming calls, ensuring seamless operation of your home appliances at all times. 3Synchronized Switch State: With our module, dual control functions on matched switches are possible. You can set up the switching of switch states and synchronize them. After setting up state synchronization, the two on off positions are fixed and synchronized with other switches, offering you optimum convenience. 4Device Sharing: Our module supports device sharing that allows you to share smart controls with your family members. Together, you can create your perfect smart home that caters to everyone's needs. 5Versatile Installation Methods: The module supports various installation methods to suit your needs. Its bracket can be clipped onto the rail or securely screwed within the wall's hiding box, ensuring a sturdy installation of the module for long lasting use. Specification: Item Type: WiFi Relay Switch ModuleMaterial: PCWeight: Approx. 55.00g / 1.94ozWorking Temperature: -10 to 65CCurrent: 16AProtection Level: IP20Module Size: Approx. 40x40mm/1.6x1.6inBracket Size: Approx. 44x35mm/1.7x1.4in Package List: 1 xWiFi Relay Switch Module1 x Bracket1 x User Manual