Battery boxes; Battery packs; Cards with integrated circuits; Data processing apparatus; Digital door locks; Downloadable computer operating programs; Electric locks; Electrical inductors; Electrical plugs and sockets; Electro-dynamic apparatus for the remote control of signals; Electronic key fobs being remote control apparatus; Electronic locks; Encoded key cards; Global positioning system; Light emitting diode (LED) displays; Recorded computer operating programs; Switches, electric; Theft ...