TowMate 21" ***SOLAR PANEL*** WIRELESS TOW LIGHT with Stop,Tail,Turn 21" Long Wireless tow light has Stop, Tail, Turn Comes with 4 Pin Round plug in transmitter (let us know if you need a different plug) and Charge Cord Up to 1000' Range and 15 Hours between charges. Durable PVC Housing, 100 lb. Magnets Solar panel for supplemental power increasing battery life and reducing the need to charge the unit from a charge cord