2.9 inch Inventory Patrol E-ink Tag Wireless Dynamic QR Code Electronic Label

  • group nameDigital Labels For Warehouse

  • Min Order1 piece

  • brand nameSertag Electronic shelf labels Manufacturer

  • modelInventory Patrol E-ink Tag SETPB0290N_XG

  • payment methodT/T

  • update timeWed, 04 Mar 2026 14:41:13 GMT

Paramtents

  • Display Size 2.9 inch

  • Display Technology E-ink Display

  • Working Frequency 2.4G BLE

  • Battery Capacity 1200mAh (CR2450*2)

  • Battery Life 3-5 years

  • Communication Radius 10m

  • Display Color Black, white

Packging & Delivery

  • Min Order1 piece

Briefing

2.9 inch inventory patrol e-ink tag with dynamic QR codes, preventing inspection fraud and ensuring real on-site check-ins.

Detailed

2.9 inch Inventory Patrol E-ink Tag Wireless Dynamic QR Code Electronic Label
The SETPB0290N_XG is a 2.9-inch inventory patrol e-ink tag specifically designed for equipment inspection, patrol check-in, and on-site verification.

By utilizing dynamic QR code technology, this device effectively prevents inspection fraud and ensures that patrol personnel must be physically present at the inspection location.
China e-paper patrol electronic tags
2.9-Inch Inventory Patrol E-ink Tag Feature
🔄Dynamic QR Code for Inspection Patrol
The label supports automatic dynamic QR code generation for inspection and patrol applications. As time changes, the system automatically regenerates a new QR code at a preset interval, ensuring each scan is unique and time-sensitive.

🚫 Anti-Cheating On-Site Verification
The dynamic QR code mechanism is designed to eliminate inspection cheating. Only personnel who arrive at the actual inspection point can scan the current QR code and complete the patrol check-in, ensuring authentic, traceable inspection records.

🔋 Battery Level Display
The label supports remaining battery level indication, allowing operators to monitor power status and plan battery replacement proactively.

⏳ Ultra-Low Power Consumption
With an e-paper display that consumes power only during refresh, the device is optimized for long-term deployment. The standby time is not less than 18 months.

🕒 Mobile Time Synchronization
The device supports time synchronization via mobile App. After battery replacement, users can perform a one-time time sync through the App, ensuring accurate QR code updates without manual calibration.

👁️ Clear E-Paper Display
The black-and-white e-paper screen provides: High contrast; 180° wide viewing angle; Eye-friendly, paper-like readability.
2.9-Inch Inventory Patrol E-ink Tag Application
1️⃣ Equipment and facility inspection
2️⃣ Security patrol checkpoints
3️⃣ Power and utility inspection routes
4️⃣ Industrial site patrol management
5️⃣ Campus, hospital, and building patrol systems
2.9inch e-paper patrol electronic tags
Product Model
SETPB0290N_XG
Display Technology
E-ink
Working Frequency
2.4G
Dimensions (mm)
88.5*41.5*13.8
Display Area (mm)
29 * 66.9
Resolution (pixels)
296*128
Pixel Size (mm)
0.227*0.226
Battery Capacity
1200mAh (CR2450*2)
Battery Life
3~5 years
Communication Radius
10m
Working Temperature
0~50℃
Visual Angle
Nearly 180°
Display Color
Black and white
Template Design
Yes
Supported Content Format
Text, picture, QR code, barcode
Over-the-air Firmware Updates
Yes
Communication Equipment
Android phone/ tablet
2.9 inch Bluetooth Patrol Electronic Tags SETPB0290N_XG Specification