Wireless Trailer Tow Light Bar 19"- Magnetic Mount - Ultra Bright LED with 7 Pin RV Blade Hitch TransmitterWireless Tow Bar Specifications Wireless: RANGES UP TO 48 FEET WITH SIGNAL INTERRUPTION Power: UP TO 48 HOURS OF CONTINUOUS POWER AND CHARGES VIA 12V DC POWER OUTLET Transmitter: 7 PIN RV BLADE CONNECTION FOR FULL CONTROL Magnets: 2. 75" RUBBER SOLE MAGNETS FOR EASY ATTACHMENT LED: 9 INDIVIDUAL LED DIODES FOR MULTI FUNCTIONS [WIRELESS] Wireless brake turn signals emergency lights with a range up to 60 ft. with flat 4 pin trailer plug connector [LED]