An optical beam senses when a culvert gondola is present, automatically triggering the hazard lights on top of the conveyor, followed three seconds later by the light in the watch tower! Pair it up with the #345 Culvert Unloader for continuous loading and unloading operation. J.B. n

Stamped metal and plastic construction
Motorized magnetic lift
Automatic operation. Sales on EBay for around 200.00 check for your self.