Cheap And Discounts New Proximity Switch SenSor Ni30X-G30-OP6L-Q12 NI30-G30-OP6L-Q12 Wholesale. Buy Directly From Merchant Hangzhou Fluorescent Electric Co., Ltd Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.