KAUF Power Monitoring Smart Plug with ESPHome, Compatible with Tasmota, Made for Home Assistant (4)

Price: null - $44.99
(as of Oct 08, 2026 17:08:43 UTC – Details)


Same KAUF plug firmware you know and love with new and improved hardware. This classic home automation device can be used to switch on and off a device that plugs into a standard U.S. 120-volt wall outlet. Common usages include lamps, box fans, and Christmas lights. Power monitoring lets you know how much power the plugged in device is using, as well as whether the plugged in device is running and when it finishes. A binary sensor is automatically created that lets you know if the plugged in device is running using a configurable wattage threshold.
Power monitoring Smart Plug with 15 amp relay.
Runs ESPHome out of the box for 100% local control without flashing, soldering, editing YAML, or hoping tuya-convert works.
Connects natively to Home Assistant without going through a cloud connection or requiring a third-party App to setup or connect the plug. ESPHome HTTP API allows use without Home Assistant.
Reprogrammable with any ESP8266 compatible firmware. Easily integrates into any existing MQTT system. Compatible with Tasmota.
Firmware version 1.91 adds independent configuration for use of red and blue LEDs, as well as allowing for dimming of both.
Firmware version 2.02 improves power monitoring accuracy.
Customers find the smart plug works well with ESPHome and Home Assistant, is easy to set up, and appreciate its fast performance without cloud-brokered delays. They value its power monitoring capabilities, with one customer noting real-time power draw visibility, and consider it perfect for home automation needs. While many customers report good connectivity with Home Assistant, some experience connection issues. Customers find it reliable and worth the extra cost, with one mentioning it pays for itself in electricity savings within a week.