NJ Internnational 8003 Flash Master Crossing Signal Controller

#8003 FlashMaster provides prototypical grade crossing flasher control. The basic unit is configured for single track bi-directional operation, it can be expanded to 2 track bi-directional operation with the addition of a #8004 FlashMaster Optical Sensor Expansion Cable. For operation beyond 2 tracks, an additional #8003 FlashMaster is required. The unit can drive up to 8 pairs of LED's and requires 7-18 volt, AC or DC, 300ma.