9 Computer mouse, printer buffer, blank audio cassettes, closed-loop TV monitor, joystick, batteries, phone cable, phone cable with plug, antenna, computer monitor, inverters, sound amplifiers, smoke detectors, camera and optical filters, controllers for electronic frequency gain, electronic frequency separator, modem, antenna bracket, electric switches, electric plugs, electrical outlets, electrical transformers, rectifiers, electrical connectors, electrical junction box, voltage regulator, and battery chargers