Cheap And Discounts High Precision Load Cell Amplifier Board Electronic Scale Weighing Sensor 24 Bit AD Conversion Adapter HX711 Purple 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.