The SIGMA BL is an innovative barrier application system that can be used on both the right and the left. Equipped with a 36Vdc brushless motor and galvanized steel internals, this barrier is a versatile and robust solution for very intensive use. It comes with an extendable boom with a variable length of 3.5 to 6m. The SIGMA BL features built-in RGB LED lighting on the drive and the barrier arm. For more information, please contact RDA.