（1）The round head is a best-selling exterior model, using PVC secondary molding technology, and comes with large nuts, small nuts, waterproof covers, large brackets, hardware screw accessories for installation use.
（2）Square buckle type appearance, is an ABS shell material of the cable, it does not need other accessories to assist installation, only by the buckle edge of the card fixed in the panel, car dashboard can be used, convenient and fast.
（3）Round surface buckle appearance, compared with the square buckle, this cable is equipped with a small bracket for auxiliary installation, its outer mold material uses PVC secondary injection molding, the installation size is smaller than the appearance of the round head.
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（4）Medium-head appearance, This is an innovation that is different from the first three, it goes through 3 injection molding processes, USB base external mold with threads for easy installation, and supporting waterproof cover, waterproof pad, small nuts, its waterproof level is higher, mainly used for the front panel installation of the device.
(5) Small round head appearance, the appearance size of this cable is the upgrade of Medium-head appearance, and its USB base size is 15mm. It is 5.5mm smaller than the 20.5mm of the Medium-head appearance for front panel mounting with a smaller aperture, and currently has type-c, micro, and mini interfaces.
These are the 5 styles of USB panel cable, you can follow up your needs to choose the right appearance installation size, you can also consult our customer service at any time to provide cable size drawings, we are ready to serve you.
