This device now comes with a Wi-Fi module incompatible with TasmotaSee Tasmota documentation on how to configure RGBW lights to your needs.
Tuya-Convert might not be possible for this device since the template was added (2020-01-20). All new Tuya devices have firmware preventing flash but it is still possible to Tuya-Convert old stock devices without connecting them to the Tuya app.
NOTICE!!! Manufacturer has started using unsupported non-ESP8266 chips recently and this device might not be compatible anymore. Check seller descriptions or contact them before buying!