The BAR300-X combines a plastic barricade light housing and a single flash ST300-X for a long lasting, battery operated, stand alone strobe light. The BAR300-X comes with 2-6V disposable batteries, a 4.5" hex bolt for optional mounting, and a built in on/off switch. Estimated life is 24 hours per set of batteries. A photocell is also available. The BARLEDF-X looks identical to the BAR300-X but instead features a 360 degree LED flashing display. The BARLEDNF-X features a steady burning 360 degree LED display.