PIR in ceiling built-in?

[renerene]

anybody knows of a ceiling built in PIR?
I'm planninmg some construction work. It would be nice to integrate them straight away in the concrete ceiling.
battery operated, z-wave or 433 will do.

This example is a wired version:
https://www.gearbest.com/diy-parts-and- ... id=1433363

[ittie]

Yep
https://aeotec.com/recessed-sensor

[Derik]

Perhas u can buy a cheap one in China...
And make in the pir a xiaomi pir..

I removed all my troble battery Zwave motions..
And repace them for much smaller cheap 360 motions..
with in the motion i did build a xiaomi motion
Smal fast en very very long battery life

https://nl.aliexpress.com/wholesale?cat ... otion+body
U need a bridge with the xiaomi sensors!!

And build in:
https://nl.aliexpress.com/w/wholesale-m ... sensor+360

And i did buy a battery holder for the motion..
so i make 2 wires to the holder an to the motion

Works realy grat
And cheap and....
First 1 time try
Then you make in 5 minutes new sensors for your complete house