The Optronics STL13 Combination Stop/Turn/Tail Light features a recessed flange mount for security and theft reduction. The round LED light is housed in a sonically sealed and waterproof housing.• Optronics part no.: STL13RFS• 7 LED diodes• Recessed flange mount• Industry-standard PL-3 connection• Polycarbonate housing and lens• 12V• Amp Draw: Stop 0.234 / Tail 0.033• Tail Light Dimensions: 5-1/2" dia. x 1-15/16"D• Single tail light only 4"" round LED light with 7 diodes Sonically sealed & waterproof housing Industry-standard PL-3 connection | Optronics STL13 Flange-Mount Fleet Count 4" Round LED Tail Light