Megaphones; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic cladding panels; Apparatus for converting electronic radiation to electrical energy, namely, photovoltaic solar modules; Lighting control apparatus; Photovoltaic cells; Rechargeable electric batteries; Sub-woofers; Vehicle locating, tracking and security system comprised of an antenna and radio transmitter to be placed in a vehicle; Video cassette recorders; Video monitors