The TecNiqS39 Surface Mount Side Marker, Nos. S39-AA00-1 and S39-RR00-1, is a self-adhesive backed side marker that meets all FMVSS 108 standards for wide and narrow vehicles. The side marker is IP68 rated as dust and waterproof with a hermetic seal. The S39 comes with TecSeal polyurethane potting, a proprietary sealing agent which guarantees the circuit board, according to the company. The impact and UV resistant automotive grade lens design helps durability. The S39 also has a LED life of 50,000 hours and comes with a limited lifetime warranty.