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