Submersible “Under 80” Tail Light These “7-way” tail lights are designed to protect both the bulbs and the contacts when the trailer is submerged during launching. The unit is completely sealed. Gasketed lenses keep the water out, and can be easily replaced if necessary. Closed bottom prevents road grit from entering the lamp. The most widely used lamp of its type by boat trailer manufacturers. Has 12” pre-installed wire leads.