Abstract: A warning device is disclosed, including an upper brace comprising an electric device and an output terminal; at least three luminous discharge tubes, which are pervious to light, provided with light sources and interconnected with each one another to form a loop and to establish electric contact. One of the tubes is connected with the output terminal described above to enable the illumination without shielding.

Abstract: A reflector belt, which includes a light reflecting frame belt having an elongated base and a light reflecting layer covered on the elongated base, a flexible cover strip covered on the light reflecting layer of the light reflecting frame belt and fastened to two opposite end pockets at the light reflecting layer, and a LED circuit retained between the flexible cover strip and the light reflecting frame belt, the LED circuit having a plurality of LEDs respectively inserted into respective through holes at the cover strip.

Abstract: A detachable coils air core movement holder having aligned upper and lower holders defining a chamber therebetween for housing a magnet with a center shaft extending through the upper holder and coupled to a pointer of a meter. A plurality of horizontal projections extend from the periphery of the aligned upper and lower holders for mounting on each a bobbin having a coil wound thereon.