Sonoff POWR2

【Power Metering】The POWR2 detects voltage, current, and power values and counts the power consumption for you to allow for reasonable energy consumption control.
【Easily DIY Your Smart Home Appliances】Connect POWR2 directly to the middle of the power supply and the appliance which needs the feature of power metering to quickly make your ordinary appliances smart without buying a new smart one.
【Fully Functional】POWR2 has all the most basic functions, like remote APP control, LAN control, timing schedule, share control, etc.
【Smart Scenes】Trigger other smart devices, make actions auto-on/-off.
【Voice Control】Compatible with Amazon Alexa, Google Assistant, SmartThings, and Alice. Just speak out your command, the smart device can do on/off as you say.

Tasmota Firmware inside