Powerful trawling lamp mounts with magnets, no drilling requiredSealed 4" diameter combination red stop/tail/turn lamps clamp to the towed vehicle with strong 80-lb magnets, no drilling needed. Magnets are covered in soft poly to prevent scratching. Mount is adjustable for maximum visibility and safety. Durable die-cast 4-pole plug Two lamps are connected by 6' cable 30' cable to power source