Requirement Analysis -- Traditional nursing home main problems The location of the elderly in the nursing home is unknown. It's not convenient for the staff to arrive at the specific location; Many elderly people easy lost way in nursing homes..

Suitable for card readers that continuously send card-seeking signals

Don't look down upon the damage of printing consumables to the earth

Smart packaging not only satisfies consumers' pursuit of product authenticity, but also allows them to obtain product information more conveniently.

Shenzhen Union Smart Card Co., Ltd. (Union Smart) , an IoT technology company which specialized in Bluetooth cards , Fingerprint card and NFC E-ink label, has successfully developed “Visual Battery Free NFC E-ink Label”

NFC is a near-field communication standard that is currently standard on mainstream mobile phones

As an important part of public transportation payment, urban transportation card has the advantages of fast payment and large discount, and is the first choice of most citizens. However, many people have such troubles, forgetting to bring a transportation card or a wallet, which makes it difficult to travel.