The wireless trailer light kit, allows the taillight to easily attach to the rear of the trailer firmly with the strong magnetic base, greatly reduces the wire installation process, and makes it easy to install detachable, perfectly solving the problem of shortening the life of the taillight due to damaged wires and poor contact. The wireless trailer light kit with magnetic suction base greatly reduces the wire installation process, easy to install detachable, and avoids the abrasion and breakage of the wire. The lights can be firmly attached to any solid metal surface with super-strong magnetic force, and will not fall off even at driving speeds up to 60 Mph. The wireless led trailer towing lights with a 7-way flat blade to 4-way pin transmitter used the 2.4 G bandwidth antenna to transmit at a speed of 2 Mbps that provides an effective connection range of approximately 100 feet. The wireless trailer light adopts quality SMD led beads, features high brightness and low power consumption, and lights can be seen up to a mile away, using a lifetime of up to 60,000 hours. The trailer light combined with running lights, brake light, turn signal, and license plate light. With a built-in rechargeable battery, the trailer light kit can run for up to 8 hours per time of 2.5 hours recharge. The trailer light kit is equipped with a Dual USB charge cable and USB car adapter, which can charge the left and right trailer lights at the same time.