Rangefinders; Headphones; Walkie-talkies; Electric bark control dog collars; Sound recording apparatus; Multimedia projectors; Global positioning system (GPS); Electronic collars to train animals; Batteries; Microphones; LCD projectors; Car video recorders; Electronic locks; Navigation apparatus for vehicles; Electric wires and cables; Security cameras; Plugboards; Boom boxes; Electric fences; Bullet-proof vests and clothing