Tuya-Convert might not be possible for this device if the manufacturer started using newest Tuya firmware since this template was published (2019-09-28).
Arlec Grid Twin Plug, available from Bunnings in Aus.
Tuya-Convert 2 required. Once flashed, updated firmware to at least 6.6.x.x to enable button control of both outlets.
Switch 1 is the lower outlet, Switch 2 is the top outlet. A single press of the button will toggle the lower outlet, and double press will toggle the top outlet.
This template also flashes the revised model PC289HA.