Cheap And Discounts DS-700d Portable Spectrophotometer Report Reflectance Data at 10nm Interval Tristimulus Value Y (CIE No. 15.2 1986) Wholesale. Buy Directly From Merchant Cosy Zonee Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.