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The Sonoff Basic R3 is a revised WiFi smart switch that gives you the ability to control an endless range of appliances via the mobile app eWelink with a improved aesthetics. The smart switch sends data to a cloud platform through your home's WiFi Router, which enables you to remotely control all the connected appliances... from anywhere! You can also share control of any switch on the eWelink app to Google Home, Alexa etc. for even greater convenience. Manage devices from your phone, anywhere and anytime. Support Amazon Alexa & Google Assistant to turn on/off devices. Make one device trigger on/off another one or groups of devices. Control SONOFF devices with the utilization of IFTTT supported app and services. The DIY Mode allows you to use the REST API to connect SONOFF BASICR3 with your existing home automation system. Turn on/off the device when no Wi-Fi access in LAN Mode. Share devices with your family to control together. Show the real-time status on the eWeLink app for devices. Can connect an old phone to make it monitor and control devices. Overview This is a WiFi Smart Switch with the DIY capability that makes it possible to control connected devices via the eWeLink directly from your phone, or ask it to turn on/off devices with Amazon Alexa and Google Assistant. Amazingly, it has a DIY mode that is the firmware can be user-defined. Built-in a web server that exposes the REST API, which allows you to connect the switch with your existing home automation system. Compatible with Vera, Fibaro, HomeSeer, Savant, Home Assistant, etc, for the protocol document and the code for the DIY Mode tool (updating), please go to Github on https://github.com/itead/Sonoff_Devices_DIY_Tools Simply set a timer to let your devices switch on/off automatically at a pre-set time through a day. For example, prepare your coffee maker in the evening, and a cup of coffee is ready for you in the next morning. Compatible with the IFTTT function, and you can make more actions happen to trigger other devices, or receive a notification on your phone once the action was triggered. Along with support for smart scenes, just set a device to turn on/off to make another or a boatload of devices turn on/off. The LAN control is designed for situations which no available Wi-Fi connection, or an unsteady Wi-Fi network environment. A convenient option that is share control is capable of allowing you to manage the same device with your family or friends together, simply share it on the eWeLink app to try. Note: SONOFF BASICR3 does NOT have 433Mhz RF receiver module. If you want a diy smart switch with RF function, please buy SONOFF RFR3. Specification of SONOFF BASICR3 Max Current: 10A; Max Power: 2200W; Power Supply: AC 100-240V; Gang: 1; Wireless Standard: IEEE 802.11 b/g/n 2.4GHz; Enclosure Material: PC V0; Product Dimensions: 91*43*25(mm); Certification CE, FCC