Access control and alarm monitoring systems; Automotive testing equipment, namely, handheld diagnostic scanners; Computer hardware and recorded software system for remotely monitoring environmental conditions and controlling devices within a building, facility, grounds, or designated spatial area; Computer peripherals and parts thereof; Downloadable network video recording software for IP (Internet Protocol) video surveillance; Electrical receptacles; Fire alarm and emergency evacuation devices, namely, fire alarm control panels, smoke detectors, heat detectors, alarm pull stations, audible and visible notification appliances, strobes, sirens, bells, horns, and speakers; GPS tracking devices; Locks, electric; Locomotive event recorders; Vehicle locating, tracking and security system comprised of an antenna and radio transmitter to be placed in a vehicle; Vehicle safety equipment, namely, an on-board vehicular surveillance system comprised of cameras and monitors for exposing and eliminating the blind spots on both sides of the vehicle; Walkie-talkies; Wearable activity trackers; Webcams