Leak detecting device for water supplied home appliances consisting of water sensor, control unit with audible alarm and water valves; Electrical and electronic burglar alarms; Alarms for the detection of inflammable gases; Swimming pool alarms; Acoustic sound alarms; Infant movement alarms; Passive infrared detectors; Electronic locks; Smartwatches; Wireless chargers; Battery chargers; Photography projectors; Electric charging cables; Plug adaptors; Field-glasses