The document provides a compilation of electrical and electronic symbols, particularly focusing on symbols used in security systems. It includes various detectors and alarms such as motion sensors, burglar alarms, and panic buttons. The content is licensed under Creative Commons and is available on the specified website.

1. Electrical & Electronic Symbols www.electrical-symbols.com
All Electrical & Electronic Symbols in https://www.electrical-symbols.com
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Symbols in Security Systems [ Go to Website ] 1/1
Burglar alarm
Security alarm
Infrared motion sensor
Panic button
PIR receptor
Glass break detector
Magnet of alarm
Magnetic sensor
PIR sensor
Passive Infrared Detector
Motion detector
PIR weathering
PIR outdoor
Motion detector
Motion sensor
Ultrasonic motion sensor
Keyboard alarm
Keypad
PIR emitter
Broken glass sensor
Magnetic contact
PIR antimasking
Speaker
Siren alarm