Nikon PSM-11520 Optical Fiber Light Source AS ISThis item is sold AS IS. No returns or exchanges are accepted. Condition For parts or not working Description The unit turns on but the light does not illuminate, for this reason, we are selling the unit AS IS. Unable to test further, may have unknown issues we are not aware of. Sold AS IS for parts repair only. See all item photos for the condition of the unit. The unit is on hand and ready to ship. Please feel free to message us any questions you