Acoustic alarms; Biometric locks; Burglar alarms; Electric buzzers; Electric door bells; Electric wires; Electronic door alarms; Electronic key fobs being remote control apparatus; Electronic locks; Magnifying peepholes for doors; Microphones for communication devices; Padlocks, electronic; Speaking tubes; Telecommunication cables; Telephone apparatus; Time clocks; Vehicle locator and recovery device programmed to use global positioning systems (GPS) and cellular telecommunications; Warning b...