Abstract: A track electronic apparatus includes multiple converter heads, a converter body, a middle electrode and a function body. The multiple converter heads are respectively corresponding to multiple tracks. The converter body has a first end connecting to one selected converter head. The middle electrode is stored in the converter body. The middle electrode is detachably electrically connected to the head electrode. The function unit is fixed to the converter body. The function unit includes an electronic component connected to the external power source via the middle electrode and the head electrode.

Abstract: A lighting device fixing structure and a shelf lighting fixing structure are provided. The fixing structure of the lighting apparatus has a first fastener unit wrapping a surface of a shelf, a second fastener unit wrapping the surface of the shelf, wherein one of the first fastener unit and the second fastener unit is fixed to a light body, the first fastener unit and the second fastener unit are connected in a rotatable manner. The fixing structure of the lighting apparatus also has a fastener unit for locking the first fastener unit and the second fastener unit to each other, wherein the first fastener unit and the second fastener unit wrap and fix to a shelf.

Abstract: A lighting device fixing structure and a shelf lighting fixing structure are provided. The fixing structure of the lighting apparatus has a first fastener unit wrapping a surface of a shelf, a second fastener unit wrapping the surface of the shelf, wherein one of the first fastener unit and the second fastener unit is fixed to a light body, the first fastener unit and the second fastener unit are connected in a rotatable manner. The fixing structure of the lighting apparatus also has a fastener unit for locking the first fastener unit and the second fastener unit to each other, wherein the first fastener unit and the second fastener unit wrap and fix to a shelf.

Abstract: A waterproof and dustproof downlight has a housing cylinder, a top cover, an upper waterproof casing, a lower waterproof casing and a lighting assembly. The housing cylinder has a cavity with a top opening and a bottom opening. A partition board is mounted in the cavity. The top cover is mounted in the cavity of the housing cylinder. The upper waterproof casing is mounted on a top surface of the partition board and has an upper chamber defined in the upper waterproof casing. The lower waterproof casing is mounted on a bottom surface of the partition board and has a lower chamber defined in the lower waterproof casing a top. The lighting assembly is mounted securely on the bottom surface of the partition board in the lower chamber of the lower waterproof casing. The upper and lower waterproof casings provide excellent dustproof and waterproof functions.

Abstract: A waterproof and dustproof downlight has a housing cylinder, a top cover, an upper waterproof casing, a lower waterproof casing and a lighting assembly. The housing cylinder has a cavity with a top opening and a bottom opening. A partition board is mounted in the cavity. The top cover is mounted in the cavity of the housing cylinder. The upper waterproof casing is mounted on a top surface of the partition board and has an upper chamber defined in the upper waterproof casing. The lower waterproof casing is mounted on a bottom surface of the partition board and has a lower chamber defined in the lower waterproof casing a top. The lighting assembly is mounted securely on the bottom surface of the partition board in the lower chamber of the lower waterproof casing. The upper and lower waterproof casings provide excellent dustproof and waterproof functions.

Abstract: A waterproof and dustproof downlight has a housing cylinder, a top cover, an upper waterproof casing, a lower waterproof casing and a lighting assembly. The housing cylinder has a cavity with a top opening and a bottom opening. A partition board is mounted in the cavity. The top cover is mounted in the cavity of the housing cylinder. The upper waterproof casing is mounted on a top surface of the partition board and has an upper chamber defined in the upper waterproof casing. The lower waterproof casing is mounted on a bottom surface of the partition board and has a lower chamber defined in the lower waterproof casing a top. The lighting assembly is mounted securely on the bottom surface of the partition board in the lower chamber of the lower waterproof casing. The upper and lower waterproof casings provide excellent dustproof and waterproof functions.

Abstract: A waterproof and dustproof downlight has a housing cylinder, a top cover, an upper waterproof casing, a lower waterproof casing and a lighting assembly. The housing cylinder has a cavity with a top opening and a bottom opening. A partition board is mounted in the cavity. The top cover is mounted in the cavity of the housing cylinder. The upper waterproof casing is mounted on a top surface of the partition board and has an upper chamber defined in the upper waterproof casing. The lower waterproof casing is mounted on a bottom surface of the partition board and has a lower chamber defined in the lower waterproof casing a top. The lighting assembly is mounted securely on the bottom surface of the partition board in the lower chamber of the lower waterproof casing. The upper and lower waterproof casings provide excellent dustproof and waterproof functions.