Features: 1Multiple Control Associations: With this switch controller, you don't have to worry about rewiring issues. You can achieve dual or even multiple controls on a single light by setting it up in the app. 2Customizable Power On State: Set the power on state according to your life style and needs. Choose whether the device stays on or off when power is restored, ensuring that your home devices operate as desired. 3Versatile Installation Methods: This switch controller supports various installation methods. Its bracket can be clipped onto a rail or securely fixed in a wall junction box with screws, providing a sturdy installation option. 4Shared Device: Share smart control with your family members and create a personalized smart home experience. Everyone can participate in the management and control of the devices, making it a collaborative effort. 5Switch State Synchronization: This switch controller supports dual control functionality with matched switches. You can choose between two operation types: switch state toggle or state synchronization. With state synchronization, the two switches are fixed and will mirror each other's status, ensuring consistent control across multiple switches. Specification: Item Type: MiniSmartRelayWiFiSwitchWorking Temperature: -10~65Current: 10AProtection Level: IP20Product Size: 40 x 40mm/1.57 x 1.57inWeight: Approx. 52.00g / 1.83ozMaterial: PC Package List: 1 x Switch1 x Bracket1 x User Manual