Camcorders; Adapter plugs; Alarm installations and alarms; Alarm monitoring systems; Alarm sensors; Alarms for the detection of inflammable gases; Amplifiers for wireless communications; Burglar alarms; Carbon monoxide detectors; Device for testing the function and effectiveness of smoke detectors, carbon monoxide detectors and heat detectors featuring an aerosol spray; Electronic door alarms; Electronic exit alarms; Fire alarm and emergency evacuation devices, namely, fire alarm control pane...