Classification of alarm detectors
Detection range: point control alarm detector, line by wire alarm detector, surface control alarm detector and space alarm detector.
Working mode: active alarm detector and passive alarm detector.
Working principle: infrared alarm detectors, alarm detectors, microwave passive infrared / microwave alarm detector, glass break alarm detector, vibration alarm detector, ultrasonic detector, alarm sound alarm detector, laser alarm detector, magnetic switch, alarm detector switch alarm detector, video motion detection alarm sound detector, etc..