Digital door locks; Electric locks; Biometric fingerprint door locks; Electronic lock assemblies; Electronic locks; Electromagnetic locks; Biometric locks; Electronic access control systems for interlocking doors; Downloadable computer programs for use with electric locks; Downloadable computer application software for mobile phones, namely, software for remote control of electronic locks; Downloadable computer software for allowing users to identify and communicate with persons at their door; Multiple purpose cameras; Security cameras; Digital cameras; Video cameras; Video monitors; Access control and alarm monitoring systems; Electric and electronic video surveillance installations; Electric door bells; Electronic door alarms; Computer networking hardware; Magnifying peepholes for doors; Biometric identity cards; Secure Digital (SD) Memory Cards; Encoded key cards; Gas meters; Water meters; Electricity meters; Electronic locks incorporating biometric finger, eye, and face scanners