Cheap And Discounts 10PCS HCNW2211 upright DIP-8 light coupling isolator HCW-2211 photoelectric coupler in stock 100% new and original Wholesale. Buy Directly From Merchant NewAiJieXun Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.