EZ mail / mailbox

At home, when a postman delivers goods, he can receive them.
If you live in an apartment and encounter a postman delivering goods, management can take the place of receipt.
When you go out, you will encounter a postman or how to receive the goods in time?

For this reason, considering that the receipt can not receive or sign in time, the device is designed in combination with the mode of APP Internet of Things. It can also sign and receive through the platform and let the shipper put into the device. On the one hand, it can save delivery time.