Description: 1. Convert ordinary non-smart appliances or devices into smart devices. For example, if a desk lamp is converted into a smart desk lamp, the mobile phone can control the light switch. If you want to turn a 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 on/off, timing, countdown and other functions through your mobile phone. As long as your mobile phone has a network, you can globally control the switch module in your home. 3. Voice control. Supports voice assistants such as Tmall Genie, Alexa, and Google Home to realize functions such as switches; "Alexa, turn on the kitchen lights." Turn on the lights with one sentence and enjoy a convenient smart life. 4. Timing. You can control the device's on/off, timing, countdown and other functions through your mobile phone. You can order this: turn off the lights in the living room after 2 hours. 18:15 Turn off the oven. 21:00 Turn on the boiler. You can also time your device when you're not at home. (APP: Smart Life/Tuya Smart) 5. Group control. Lights can be grouped to achieve unified control (simultaneous switching, timing, etc.); 6. Everything is connected. Through settings, it can be linked with other smart scenes to make life smarter; for example, setting home scenes: automatically turning on the lights, TV, and air conditioner in the living room. 7. Sharing and security. The main account can be shared with other family members, and the functions and settings are fully retained and copied; Security: After adding a light to the main account, the light will be no longer found and added by other users; active sharing is required before others can use it. 8. Bluetooth quick matching. Turn on Bluetooth and your phone will quickly find the device, speed up the connection, and stabilize the connection. 9. State memory. When the power is restored after a power outage, there is no need to worry about changes in the device status and the state before the power outage is maintained. It is in the open state before the power is turned off, and will automatically return to the open state when the power is turned on again. (Can be set to open, close, power-off memory mode) 10. Three wiring methods. (2-way/1-way/no switch) can be directly connected to the device without connecting a switch. It can also be connected behind the switch to support single control switch and double control switch. Can be installed directly in the switch box, switch module. It can also be installed on a dual-control switch without affecting the use of the dual-control switch. 11.WiFi connection, no gateway required. DIY, the connection method is simple, everyone can DIY devices and turn non-smart devices into smart devices. Specifications: