Cheap And Discounts 5-10pcs7Q18B20 QT18B20 can completely replace the DS18B20 DS18B20 + TO92 new original DS18B20 7Q18B20 100% New spot Wholesale. Buy Directly From Merchant Shenzhen Yonglina electronics store Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.