9 Teleprompters; Access control and alarm monitoring systems; Alarm monitoring systems; Bar code readers; Contrast enhancement filters for electronic display readout windows; Dictation machines; Electronic testing equipment, namely, telecommunication line integrity testing apparatus; Emergency warning lights; Monitoring devices for monitoring battery performance characteristics; Radiation-measuring instruments; Vehicle mounted GPS sensor for determining the rate of motion for a vehicle; Vehicle safety equipment, namely, electronic vibration, shock, motion, angle, temperature and voltage monitors