trailer semi-trailer tractor tail light LED Stop/Tail light for the semi-trailer, truck, trailer, bus etc.. trailer semi-trailer tractor tail light Round combination 100leds with iron plate (Red+Amber) 1.led rear combination lamp,50Red+50Amber2.12v or 24v 3.Long lasting 4.Waterproof,Dustproof,Anti-Shock& Anti-Vibration Package information:2pcs/Box, 40pcs/CartonGw:34.5KGBox size:31.1×17×6. ...