17/06/2026
Cameras show what is happening.
Detection sensors identify when something is happening.
External sensors are built to detect intrusion events, not interpret images. Technologies such as PIR, active infrared beams, fibre optic sensors and LiDAR are designed to identify genuine threats with stability and accuracy.
They do not rely on visible light and they can perform in darkness, poor weather and complex outdoor environments.
They can also focus on human-sized targets and relevant movement, helping to reduce nuisance alarms caused by animals, foliage or other environmental activity.
Once an intrusion is detected, sensors can trigger an immediate response:
• Activate lighting
• Trigger audio alerts
• Direct cameras to the alarm area
• Send alerts to monitoring teams or guards
This helps security teams respond earlier, faster and with greater confidence.
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