TheTM22XRYSunlightis TowMatesBEST SELLINGwireless tow light measuring in at 22in wide and contains 14 LEDs providing stop, tail, and turn signals wirelessly,now with lithium battery technology to provide LONG LASTING power! The TM22XRY has rubber-coated 100LB pull magnets to prevent scratching no more boots! This unit is not compatible with the iMon reminder system. System includes light, 4-Pin round transmitter, and 12V DC charge cord.