Best price according to camelcamelcamel.
With Eve. home app, it keeps open/close log
https://au.camelcamelcamel.com/product/B08CDV2RY9?active=pri…
Eve Motion - Wireless Motion Sensor with Apple HomeKit technology, IPX 3 water resistance, Bluetooth Low Energy
is also at $37.41, from description/photo, it seems the old ver.
https://www.amazon.com.au/Eve-Motion-Wireless-technology-Blu…
Eve Energy -Smart Plug And Power Meter, switch a connected lamp or device on And off, voice control, no bridge needed, Bluetooth Low Energy, Apple HomeKit at $37.4
https://www.amazon.com.au/Eve-Energy-AU-Technology-Bluetooth…
does it only work with homekit?