Features: 1MULTIPLE CONTROL ASSOCIATION: Smart light switch breaker module supports multiple control association, no need to worry about rewiring. You can realize double or even multiple controls on one light through mobile app settings, providing more control methods and convenience. 2CUSTOMIZED SWITCH STATUS: You can set the power up state on the device according to your living habits and needs, so that it can be automatically switched on and off after powering on or keep the original state. This allows your home devices to function properly according to your needs. 3MULTIPLE MOUNTING METHODS: The smart light switch breaker module supports multiple mounting methods. Its bracket can be stuck on the rail or screwed into the wall box to ensure that the switch breaker is firmly installed and adapted to different usage scenarios and needs. 4SHARED CONTROL: You can share the smart control of your devices with your family members and create a smart home system of your own together. 5SWITCH STATE SYNCHRONIZATION: smart light switch breaker module supports switch state synchronization, which can realize dual control function with the matching switch. You can set two types of operation: switch state and state synchronization. After setting state synchronization, the two switch positions are fixed and synchronized with other switches. Specification: Item Type: Smart Light switch Breaker ModuleMaterial: PCWeight: Approx. 54g / 1.9ozWorking 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 xBracket1 x Instruction Manual