Shelly Wave ประตู/หน้าต่าง

Installation took me under ten minutes since it pairs straight to my existing smart home setup, and now I get an instant ping on my phone every time the back door cracks open. The battery drain has been basically zero after two weeks of constant use, which is a relief since I was expecting to swap c

The magnetic reed switch is seriously sensitive—it triggers the moment the window shifts even a centimeter, so no drafty gap goes unnoticed. I’ve got it on the back door and the instant alerts on my phone are a relief every time I hear a weird noise at night.

Setup took me maybe ten minutes and the magnetic contact is super responsive, I get the alert on my phone the second the window slides open. The battery life seems solid so far and pairing with my existing smart home hub was painless. Definitely the most reliable door sensor I've tried.