Biometric fingerprint door locks; Chargers for electric batteries; Chipcards; Digital door locks; Digital multimeters; Electric locks; Electric strikes for remote control of door ingress and egress; Electrical adapters; Electronic door alarms; Electronic lock assemblies; Electronic proximity sensors and switches; Fingerprint imagers; Fingerprint scanners; Laser rangefinders; Locks, electric; Sirens; Solar batteries; Voltage stabilizing power supply