When all members of your family go out and your house is empty, one of the best way to prevent break-in is to make strangers believe that someone is at home though nobody there in reality.
”Watchdog Guardian House Sitter Timer for Lamps and Radios” are maybe helpful.
It is a security device which automatically turns lights and/or radios on and off.
It is used by plugging into an outlet.
Note that it is for use in America, so more research is necessary to know whether it can be used in Japan.iPhone$B$+$iAw?.(B
