Checkers General Purpose Lighted Safety Whips with telescoping pole are adjustable length whips that extend to 8, 10, 13, 15 and 21 feet. These whips are divided into sections that are connected by cam-locks. To adjust the whip length, simply flip the handle up on the cam-lock to loosen, extend the section(s) to desired length and then flip down the handle on the cam-lock to tighten. This easy-to-use systems allows you to quickly remove a whip and break it down into a manageable size that can be easily stored in a vehicle. With a high-visibility flag and light, these warning whips provide easy identification of other vehicles, equipment and important sites in your area. Telescoping pole whips feature a painted white fiberglass pole that protects against fiber bloom and a heavy duty Day Bright fluorescent nylon mesh flag with a 3M Scotchlite reflective X. This system requires a Hitch Mount or Flat Mount for vehicle attachment. Lighted models feature lamp socket, a superior coiled wire that easily extends and retracts without pinching or binding and a water-resistant, easy-lock hot plug with 12 in pigtail for power connection.