Cheap And Discounts New Proximity Switch BHS002Y BES 516-300-S249-S4-D High Pressure Resistant Sensor IP68 Wholesale. Buy Directly From Merchant Shang hai QIYI Electrical & Mechanical Equipment Co., Ltd Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.