Alarm monitoring systems; Apparatus for recording, transmission, processing and reproduction of sound, images or data; Automotive measuring instruments, namely, water temperature gauges, air fuel/ratio gauges, boost gauges, vacuum gauges and exhaust gas temperature gauges; Automotive testing equipment, namely, handheld diagnostic scanners; Automotive testing equipment, namely, transmission testing and brake testing equipment; Data processing apparatus; Electronic apparatus for testing automobile engine oil; Electronic circuits for error correction; Electronic data processing apparatus; Electronic motor vehicle ignition tuning kits comprised of an electronic control unit that monitors engine performances and delivers re-calculated sensor values to the original engine control unit to increase engine performance; Height measuring instruments; Instruments for measuring length; Mechanical and electronic measuring machines for identifying and analyzing structural damage to vehicles; Portable and handheld digital electronic devices for recording, organizing, transmitting, manipulating, and reviewing text, data, image, and audio files; Scanners; Tool measuring instruments; Vehicle safety equipment, namely, electronic tire pressure monitors; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems, namely, Vehicle tracking devices