security and safety devices, namely, residential, business, personal and vehicle, wired and wireless, security systems, comprising, electrical, mechanical and electronic detectors and alarms; miniaturized detectors and alarms namely, anti-intrusion alarms, burglar alarms, video loss alarms and personal security alarms; timing controls for security systems comprising electrical, mechanical and electronic detectors and alarms; sensors for sensing motion, fire and smoke; lighting controllers; burglar and intruder detectors and alarms for residential and business premises, personal alarms and panic alarms; fire and smoke detectors and alarms; motion detectors and alarms; sirens and speakers; surveillance television cameras; open and closed circuit monitors; optic sensors; magnetic contacts for use with sensor devices to sense the breaking of a circuit in said sensor device; photoelectronic beam emitting motion detectors;passive infrared reflectors and infrared body heat sensors; glass breakage detectors and alarms; electronic card readers for electronically controlling access; replacement parts and components for all of the above; computer accessories, namely monitors, boards, namely, accelerator boards, controller boards, graphics boards, I/O boards; video boards, video capture boards; voice mail boards; storage devices, namely CD-ROM drives; hard drives; tape backup systems; optical discs; video cameras, video monitors, video recorders; telephones; and telephone answering machines