Features: 1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information; 2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed. 3. Double cable connector IP68 standard requirements, has blue rubber ring, soaked in water for 1 meter without water, small size, has the advantage of not occupying space. 4. Easy installation: No need for welding or any installation tools, just insert the standard crystal head directly, which can realize quick installation and use. .
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