
3.5 stars. I use it indoors and it always detects correct movements. Unfortunately this is also sometimes caused by curtain SHADOW even when the light is on. The shadow falls on the GROUND and not on the sensor itself. Therefore it is not 100% reliable and you can be careful for nothing. There are many tunes and you will definitely find something to your liking. He can also play from "quiet" to "very loud".

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