Speaker 1: Today we're taking a look at Optronics Thinline Sealed LED Marker and Clearance Light. This light is designed for 24-volt systems. The small, rectangular trailer light functions as both a clearance light and a side-marker light when properly mounted.It features a sonically-sealed, waterproof design when it comes to the housing and lens unit. It is submersible.LEDs make great… see more >