Shelly Wave PM Mini ANZ

Took about eight minutes to wire in and the real-time wattage readout on the app is spot-on against my plug-in meter. Having the 16A capacity means I can monitor the water heater without worrying about overloading it, and the size let me tuck it neatly into the junction box.

I’ve been meaning to track exactly what my heater pulls during winter and this little relay gives me live wattage right from my phone—took under ten minutes to fit into the existing switch box. The size genuinely surprised me, it’s barely bigger than a matchbox, yet the 16 A rating handles everythin

Wired this into my garage lighting circuit and the live power monitoring numbers in the app are spot-on against my plug-in meter. Took me under ten minutes to set up, and the 16A rating handles my heater without breaking a sweat.