The electronic label equipment independently developed by Gwall is flexible in application and strong in expansibility. It is suitable for the storage operation links such as shelf loading, warehousing, picking, sorting, piece counting and return. The whole picking process can be simplified into three simple actions: "look (light)", "pick (goods)" and "press (complete)" At present, it is widely used in footwear and clothing, three-party logistics, household goods, daily chemical products, fresh food, gold jewelry, hardware machinery and other industries.