Kiwi Warmer Rowi is a developer edition of the Kiwi Warmer Smart Plug equipped with a powerful Espressif ESP32 MCU and an embedded SHTC3 temperature sensor. Rowi is available in two differet versions:

A: ESPHome firmware
B: Default Rowi firwmare providing a local REST API & MQTT integration

Details about Rowi and technical spec: https://www.vaiotech.co.nz/products/
Where to buy Rowi: https://www.kiwi-warmer.co.nz/for-developers/