Smoke alarms; Gas alarms; Acoustic sound alarms; Electrical and electronic burglar alarms; Leak detecting device for water supplied home appliances consisting of water sensor, control unit with audible alarm and water valves; Day and night vision systems primarily comprised of day and night sensors, day and night cameras, and monitors; TV cameras; Videocameras [camcorders];Remote video monitoring system consisting primarily of a camera and video monitor for recording and transmitting images t...