8
Note:
The steel nails are only for brick walls, cement walls, woods, etc. They are not for concrete,
as concrete is too hard for the nails.
7.3 Installation requirements
1. Indoor use only, please check the installation places.
The sensitivity of the PIR sensor has a lot to do withe the motion direction of the human body. The PIR sensor is more sensitive to vertical motions,
while it is less sensitive to horizontal motions. Thus, it is important to choose the proper location for installation and higher sensitivity.
