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Biometric fingerprint door locks; Burglar alarms; Camcorders; Electric door bells; Electric switches; Electric and electronic video surveillance installations; Electron capture detectors; Electronic key cards; Electronic locks; Magnetically encoded key cards; Passive infrared detectors; Pedometers; Smartglasses; Smartwatches; Smoke detectors; Time recording apparatus; Wearable activity trackers; Webcams; Electrical annunciators; Security surveillance robots