Access control and alarm monitoring systems; Alarm sensors; Biometric fingerprint door locks; Cellular phones; Electric door bells; Electric sockets; Electric strikes for remote control of door ingress and egress; Electrical switches; Electronic locks; Electronic tags for goods; Head-mounted video displays; Power adapters; Protective films adapted for smartphones; Radio-frequency identification (RFID) tags; Remote controls for radios, televisions, stereos; RFID readers; RFID tags worn by pets...