electric and electronic parts, namely, surface mounted chip leds, photo-reflectors, chip photo-diodes, chip photo-transistors, infrared chip leds, photo-interrupters, [photo-couplers, and crystal oscillators;] infrared data communication modules; light receiving unit for infrared remote controllers; electric-luminescence driver modules; [ real time clocks; ] surface mounted illuminating tact switches; electromagnetic buzzers; and micro speakers