Cheap And Discounts FESTO Genuine Original 543892 SME-8M-ZS-24V-K-7.5-OE Proximity Sensor, Available in All Series, Price Negotiable Wholesale. Buy Directly From Merchant FESTO Agent - Fujian Zhanhong Intelligent Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.