WiFi Dual Switch Relay Module with Power Metering - Sonoff...
The DUAL R3 Lite is a Module of Dual Smart Switch with Relays controllable by WiFi, through mobile devices such as smartphones or tablets, but they can also be controlled with voice commands through Siri or other virtual assistants such as Alexa or Google Assistant. This Smart Switch was designed to be installed behind switches, in a junction box or on a DIN rail and allows you to remotely control (via WiFi) your lights, blinds or other electrical devices.