[ Alarm central units; Anti-intrusion alarms; Biometric fingerprint door locks; Burglar alarms; ] Camcorders [ ; Digital door locks; Electronic locks; Electronic monitors for monitoring flowmeters; Endoscopic equipment for industrial purposes; IP (Internet protocol) cameras; Radio-frequency controlled locks; Smoke detectors; Speaker microphones; Television cameras; Theft alarms; Video monitors; Video recorders; Video baby monitors ]