The using method of E I-ink Digital Patrol tags

Patrol label advantages and features: 
Equipment patrol with dynamic QR code display.
The main goal is to prevent the field personnel inspection cheating, to ensure that they go to the site for inspection sign-in.
Dynamic two-dimensional code can be automatically generated, the rules are: you can automatically add a fixed string of time summary to generate a two-dimensional code, with the time change and then re-generate a two-dimensional code, the two-dimensional code can be timed to change, such as: set 3600s to change once (the cycle settings can be manually adjusted), the two-dimensional code displayed scanned out the contents of the fixed string (pick0009) + time summary (2020009) + time summary (2020009) + time summary (2020005)). pick0009) + time summary (2021060114190705)" such as: pick000920210601190705, the next hour after the QR code switches to display the scan out is: pick000920210601200710, (this is an hourly change) 
Through the Android App Configuration data modification, settings, etc. 
Low battery reminder function.
Interval of 1 hour 1 time, the minimum standby time is not less than 18 months.
You can synchronize the time of the tag on the cell phone, and after replacing the battery, you can perform a time synchronization through the App.

Application Scenarios: 
1.Inspection Check-In 
2.Equipment Patrol 
3.Classroom Class Check-In 
4.Office Staff Check-In