TA16 WIRELESS MAGNETIC TAILLIGHT TOWING LIGHT SYSTEM, RECHARGEABLE BATTERIES, 1000FT RANGE, TAILLIGHT, STOP AND TURN SIGNALS, DOT COMPLIANT, 4 OR 6 ROUND PLUG OR 7-PIN RV STYLE PLUG, SAVE $$ AND TIME SAVE $$$. Batteries can be recharge just like cell phone Durable, UV protected PVC Enclosure DOT compliant Battery and LED lights are replaceable 11 Super Bright AMBER LEDs