SECURITY ALARM SYSTEM
Now the security alarm system is realised, as a rule, on the basis of infra-red (Ir) - the detectors providing fixing of the malefactor on thermal (Ir) to radiation. Modern Ir-detectors possess in the small sizes and aesthetic design.
FIRE ALARM SYSTEM
The fire alarm system represents a difficult complex of the means serving for timely detection of ignition and unapproved penetration into the protected zone.