electrically connected to wires 22 for carrying current from a power source to the lamps as known to those skilled in the art the lamp is a long narrow glass tube with two electrical connections on each of the metal caps the caps seal the ends of the tube filled with such noble gases as argon neon etc mercury is also deposited into the tube when ac power is supplied to the ballast an electric discharge is established in the tube which produces ultraviolet radiation to produce light in the visible range the inside wall of the tube is coated with phosphor when the ultraviolet light strikes the inside wall it produces excitations of the phosphor electrons and causes the phosphor coating to fluoresce with a bright glow continuing with the general overall description of the embodiment of the present invention housing 10 also includes ballast 18 not shown in fig1 for supplying power to the lamps 12 high frequency electronic ballast 18 converts the power from the conventional ac source in order to provide high luminous efficiency as known to those skilled in the art housing 10 further comprises sensor 20 in one embodiment of the present invention sensor 20 is a motion detector for detecting any motion or absence thereof within a pre selected 2 dimensional area or 3 dimensional space a signal is then sent to turn the light fixture on or off depending on the selected function and a predetermined period of time fig2 shows in more detail one embodiment of the fluorescent light fixture according to.