All Sales Final No Returns Quad Only The Feniex Quantum it’s the world’s first patented 4 color brightest emergency warning product series. Available in 4 configuration types; Single, Dual, Tri and Quad across a family of 6 Light Bars, 5 light sticks, and 20+ Vehicle specific Inner Bars. At Feniex we will manufacture the Quantum Series, with all 4 versions of Single, Dual, Tri and Quad, in 1 part number with the ability to be unlocked by a Feniex authorized dealer to any version depending on the customer's needs at an additional cost. No more securing customer configuration. No more paying for technology that's not needed. No more long production wait times. Pay for what you need and customize what you want, all under 1 part number.