"" Note: SONOFF BASICR3 DOES NOT HAVE a 433 MHz RF receiver module. If you want a DIY smart switch with RF function, buy SONOFF RFR3. Overview: It is a smart WiFi switch with DIY capability that can control devices connected via eWeLink directly from your phone, anytime, anywhere, and it can provide you with home control experience incredible smart. Surprisingly, it has a DIY mode in which the firmware can be set by the user. An integrated web server exposes the REST API, allowing you to connect the switch to your existing home automation system. Compatible with the IFTTT function, you can create more actions to trigger other devices or receive a notification on your phone once the action has been triggered. Sharing control lets you manage the same device with family or friends. Just share it on the eWeLink app to try it out. features: * Manage your phone's devices, anywhere and anytime. * Support for Amazon Alexa and Google Assistant to turn on / off devices. * Activate / deactivate a device, another or groups of devices. * Control SONOFF devices with the use of the application and services supported by IFTTT. * DIY mode allows you to use the REST API to connect SONOFF BASICR3 to your existing home automation system. * Turn on / off the device if there is no Wi-Fi access in LAN mode. * Share devices with your family to control together. * View real-time status on the eWeLink app for devices. * Can connect an old phone to monitor it and control peripherals. Characteristics: Model: BASICR3 Power supply: AC 100-240V Maximum current: 10A Maximum power: 2200W Gang: 1 Transmission mode: Wi-Fi communication Wireless standard: 802.11 b / g / n, 2.4 GHz Control mode: mobile APP Platform: for Android, iOS Control distance: infinite Housing material: PC V0 Size: 91 * 43 * 25mm (L * W * H) Package list: 1 * SONOFF BASICR3 switch 1 * set of mounting screws ""