Electricity statistics: View energy reports to properly track energy usage around your home. Know which devices consume the most energy, and make plans to save energy and electricity bills. Such as refitting a desk lamp into a smart desk lamp, and the mobile phone can control the switch of the light. To turn the downlight into a smart downlight, you only need to connect a smart switch module to the switch, and then for Alexa/Google assistant/yandex can control the light switch. Voice control: Support voice assistants such for Yandex , Alexa, Google Home, and realize functions such as switches; "Alexa, turn on the kitchen lights." You can turn on the lights in one sentence and enjoy a convenient smart life. Mobile APP control.: Control the device's power on and off, timing, countdown and other functions through the mobile phone. As long as the mobile phone has a network, the switch module can be controlled globally. State memory: Resume the power after the power failure, without worrying about the change of the equipment state, and maintain the state before the power failure.The lights can be grouped to achieve unified control (simultaneous switching, timing, etc.); The Internet of Everything: Through settings, it can be linked with other smart scenes to make life smarter; for example, set the home scene: automatically turn on the living room lights, TV, and air conditioner.Refit ordinary non-smart appliances or equipment into smart devices. Rated voltage: AC 100V-240V 50/60Hz Working temperature: -10~45C WIFI frequency: 2.4Ghz Communication : WiFi Load current: 16A Material: ABS colour: white Package Contents: 1 x mini smart switch module Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.