The StarryTow LED 4'' sealed round stop,turn,tail light complies with the standards of DOT,  LED illuminant provides over 100,000 hours life time and more efficient and  economical energy than tranditional incandecent illuminant  ;The  lens and housing are sonic welded to prevent moisture and corrosion. It is easy to  install the light by using the included rubber grommet and three-prong plug;  Works with 12V system ;

For use on vehicles/trailers over and under 80 in. wide

Waterproof

DOT compliant

1 LED Stop, turn,tail light 

10 LED diodes

Red lens

Rubber mounting grommet

Three-prong plug with three wires

The three-wire design includes the lead wires for power and a ground wire for mounting to any surface