A novel illumination device is provided which is small, inexpensive, and conveniently plugs into a standard power outlet, thereby allowing easy installation and deinstallation by nontechnical consumers, and thereby allowing the security light to be easily moved to any wall outlet as security needs change....http://www.google.fr/patents/US5015994?utm_source=gb-gplus-shareBrevet US5015994 - Security light controlled by motion detector
