Features: 1MULTIPLE CONTROL ASSOCIATION: The smart light switch breaker module supports multiple control association, no need to worry about rewiring. It can be set up through the cell phone app to realize double or even multiple control on one light. 2POWER ON STATUS SETTINGS: Smart light switch breaker module can set the power on status according to your life habits and needs, you can choose the device to automatically switch on or off after an incoming call or keep the original state. Ensure the normal operation of your home equipment and provide a more intelligent use experience. 3MULTIPLE INSTALLATION METHOD: The smart light switch breaker module supports a variety of installation methods. Its bracket can be stuck on the rail or screwed into the wall concealed box, ensuring a solid installation and easy to install and use. 4SHARING DEVICE: Smart light switch breaker module supports sharing smart control with your family members to create your smart home. 5SWITCH STATE SYNCHRONIZATION: Smart light switch breaker module can support the matching switch to realize dual control function. Two types of operation can be set: switch state and state synchronization. When state synchronization is set, the two switch positions are fixed and synchronized with other switches, ensuring control consistency and convenient operation. Specification: Item Type: Smart Light Switch breaker ModuleMaterial: PCWeight: Approx. 50g / 1.8ozWorking Temperature: -10-65Current: 10AProtection Grade: IP20Product Size: Approx. 40x40mm / 1.6x1.6inFunction:1. Timing Function2. Voice Control3. APP Remote Control4. Power On Status Can Be Set5. Multi Control Association Package List: 1 x SmartLightSwitchBreakerModule1 x Bracket1 x Instruction Manual