Superior Signals' new 9390 Series strobe mini bars are 24-in. long with an aluminum permanent mount base. The polycarbonate lenses are replaceable with 12-24VDC Xenon flash tubes rated at 10 Joules per strobe and have epoxy encapsulated beacons. The two strobe mini bar is available as two amber lenses with a clear dome or clear lenses with an amber dome. A diamond shaped center mirror enhances the flashes. The two strobes are pre-wired to alternate flashing but can be changed to random flashing.