2 lights per boom, Notes: recommended per boom 80' to 140', Volt: 10-30 Volt DC Work Lamp, LED, Blue, Spot, Sprayer 0" x0" x0". The blue beam provides day or night illumination of, Notes 3: Allows for spraying at night when plants are under less stress, evaporation is slower, and there is, Notes 3: less wind and spray drift, Notes 4: Lamps should be mounted at the center pivot position and can be wired with field lighting, Notes 6: if desired, Notes 6: Power & ground wires have bare ends.