Cheap And Discounts 3PCS New XS508B1PAL2 XS508B1PBL2 XS508B1NBL2 S508B1PAM8 XS508B1PBM8 XS508B1NAM8 proximity sensor Wholesale. Buy Directly From Merchant Robot Parts Industrial Shop Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.