Easily adds tow lights to a dinghy-towed vehicle or trailer without lightsPerfect for boats, RVs and flat towing applications20' cord with 4-way flat plug allows for plug-and-play convenienceProvides turn signal, tail light and brake light functionsNon-scratch magnetic base protects vehicle finishHeavy-duty plastic case allows for convenient storageSnap locks included for simple, secure splice-in connection