The Larson Electronics HDTL-LED-2X-M-30 is a wired magnetic tow light consisting of (2) round 2lb tow lights, (2) 90# temporary magnetic mounts, a 30ft standard cable ending in a 4 pin round trailer plug, and 7” of wire space between the two tow lights. The durable LED lights on this unit emit a very visible red light that is very clearly signaled to other drivers, helping prevent rear end accidents and other potential road oversights.