21" wireless tow light with additional safety strip. Unit provides wireless stop, tail, and turn signals as well as four additional functions offered from the safety strip on the opposing face (left to right, right to left, center out, and quad-flash strobe pattern). Cycle through the additional safety lighting patterns with the push of a button on the unit. Mounts with two 100LB pull magnets. Charges off of 12V DC. Lifetime warranty on electronics and LED's.