Access control and alarm monitoring systems; Anti-intrusion alarms; Electric, electronic, or electrochemical oxygen monitors and sensors for environmental use; Electronic test and measurement devices for use in the fields of networks and telecommunications, namely, instrumentation used to test and certify new and existing data and voice communication cable and coaxial cable; Electronic testing equipment, namely, telecommunication line integrity testing apparatus; Electronic and optical communications instruments and components, namely, communication link testers for testing communication links; Infrared detection apparatus; Infrared thermometers, not for medical purposes; Laser-beam-emitting device which projects right angles for construction purposes; Laser rangefinders; Meat thermometers; Optical sensors; Telematics apparatus, namely, wireless Internet devices which provide telematic services and have a cellular phone function; Temperature sensors; Thermometers, not for medical purposes; Timing sensors; Wearable computers in the nature of smartglasses; Wireless communication devices for voice, data or image transmission