Specifications: Smart DIY Switch The 2gang smart WiFi switch module can be installed behind the switch caette to control the 2gang switch or control 2 light bulbs. It supports two ways at the same time, turning non-smart bulbs or switches into intelligent control, realizing control on and off, timing, and voice control ( Alexa, Google aistant,Yandex Alice) and sharing, group control functions. At the same time, it can also create smart scenes with other smart devices on the APP to achieve scene linkage. (APP: Smart Life/Tuya smart) Refit ordinary non-smart appliances or equipment into smart devices. For example, if a desk lamp is converted into a smart desk lamp, the mobile phone can control the light switch. To turn a downlight into a smart downlight, you only need to connect a smart switch module to the switch, and then Alexa/ Google aistant can control the light switch. 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, you can globally control the switch module at home. Voice control. Support Alexa, GoolHome and Yandex Alice to realize functions such as switches; "Alexa, turn on the kitchen lights." Turn on the lights in one sentence and enjoy a convenient smart life. Timing and Schedule You can control the switch, timing, countdown and other functions of the device through your mobile phone. You can order: 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: Smart Life/Tuya Smart) Group control. The lights can be grouped to achieve unified control (simultaneous switching, timing, etc.); Smart Scene Through the setting, it can be linked with other smart scenes to make life smarter; for example, setting the home scene: automatically turn on the lights, TV, and air conditioner in the living room. Three wiring methods.