SP13/21 Series IP68 Waterproof Inline Cable Coupler Plug & Socket Connector Pair. Sealing: in line with IP68. Type:Aviation waterproof connector. Insulation resistance: 500 ohms under normal conditions. Seal ring: silicone. Relative humidity: 90%~95% (40 + 2 degrees C).. Condition:： New: A brand-new, such as a plain or unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions ： Brand: ： Unbranded ， MPN: ： Does Not Apply ， 。, unopened and undamaged item in original retail packaging (where packaging is applicable). If the item comes direct from a manufacturer. it may be delivered in non-retail packaging, unused.