When installing solar panel cables in your RV or boat, in order to avoid unsightly and potentially leaky cable entry, this solar dual cable entry seal cover is the ideal solution for cable through the roof, it can cover the area and make it completely waterproof Solar dual cable inlet sealing sleeve is suitable for cables with a maximum outer diameter of 8mmvolume: L 11.5cm x W 9.5cm x H 5cm IP68 waterproof, weatherproof, UV and fire resistant for maximum durability in harsh and humid outdoor environments Easy installation: no need to punch holes in the roof of the RV or the deck of the yacht. Only use glue paste, safe and beautiful, easy to disassemble. Widely used for cable wiring on solar panel of RV, automobile, ship, garage, machine room building, building, shed, etc Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.