1. [Refit ordinary non-smart appliances or equipment into smart devices] 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 Alexa/Google assistant can control the light switch. 2. [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 at home can be controlled globally. 3. [Voice control] Support voice assistants such as Tmall Genie, 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. 4. [Timing] You can control the switch, timing, countdown and other functions of the device through your mobile phone. This can be ordered: turn off the lights in the living room after 2 hours. 18:15 Turn off the oven. Turn on the boiler at 21:00. You can also time the device when you are not at home. (APP: eWeLink) 5. [Group control] The lights can be grouped to achieve unified control (simultaneous switching, timing, etc.); 6. [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. 7. [Sharing and security] The main account can be shared with other family members, and the functions and settings are completely retained and copied; security: once the main account adds a light, the light will be hidden and other users can no longer find and add; it needs to be actively shared before others can use it it. 8. [RM2.4G Remote control] Pairing with RM2.4G remote control,Can be controlled without a phone.