http://www.futureelectronics.com/en/Search.aspx?dsNav=Ntk:PlainTextSearch%7cCHERRY%7c3%7c,Ny:True,Nea:True,N:4294852853 . Cherry’s Wireless Switch Technology, IMG 1137, Cherry’s Energy Harvesting Technology, IMG 1138, IMG 1139 . https://youtu.be/Azv0D3SVrWk