This topic has come up every few months in the https://community.home-assistant.io/t/australia-electrically-certified-hardware/ thread.
When someone says they recommend some device, be sure to ask them how long they have been using it. Almost certainly less than 2 years.
It seems that all the brands have the same fault described by steve007. Several people have successfully replaced the faulty capacitor in different models.
Personally I have bought:
- TP-Link KASA HS-110 x2 (the ones still on the displays at Bunnings) monitoring Fridge and upright freezer in my kitchen for about 4 years now. Of course that model was replaced by
- TP-Link KASA KP-115 x2 both died at about 2 years. TP-Link replaced the KASA range with Tapo branded models with different firmware
- Arlec PC191HA from bunnings
- Arlec PC191HA x4 one of these is still running the Tuya firmware, but some were converted to ESPHome. All but one has died at 18-24 months
- Arlec PC191HA x4 all converted to ESPHome and running < 1 year
So, currently 5 still operating out of 13 spread over 4 years.
I haven’t heard of any with longer life than 2 years … but at bunnings 4-pack price I guess I can live with them being throw-away items 