Telescopes; Alarm installations and alarms; Alarm monitoring systems; Camcorder handles; Cell phone cases; Clothing for protection against accidents, irradiation and fire; Computer hardware and peripherals therefor; Distance measuring apparatus; Dust masks; Electronic devices for locating and tracking lost articles using radio frequency; Metal detectors; Noise level meters; Passive infrared detectors; Surveying machines and instruments; Thermometers not for medical purposes