When HN users recommended it
1 HN user recommended this in 2021, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
Worldoor Multi Detector Full Range All Round Detector
Amazon's catalog no longer lists this product (checked 2026-11-02). The name comes from the link HN users posted.
Yeah, that's fair. If someone really wanted to do this though, they could also just use existing products like this one: https://www.amazon.com/Worldoor-Multi-Detector-Full-Range-Al....