The automatic unlocking mode of the lock can be customized according to the customer's business flow, achieving full process data traceability management. Equipped with a battery (replaceable rechargeable battery and emergency power supply function), it can be used continuously for more than 15 months under three unlocking frequencies per day. Realize the integration of multiple functions such as intelligent circulation of goods, warehouse entry and exit management, warehouse inventory, automatic anti-theft, and process traceability. (Especially in short distance goods circulation, recycling and traceability management make warehouse management more cost-effective and reduce consumption)