What does PIR stand for?
PIR stands for "Passive Infrared Radiation"
How to abbreviate "Passive Infrared Radiation"?
"Passive Infrared Radiation" can be abbreviated as PIR
What is the meaning of PIR abbreviation?
The meaning of PIR abbreviation is "Passive Infrared Radiation"
What does PIR mean?
PIR as abbreviation means "Passive Infrared Radiation"
