2.9-Inch E-Paper Patrol Electronic Label with Dynamic QR Code
group nameBluetooth Electronic Shelf Labels
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Min Order1 piece
brand nameSertag Electronic shelf labels Manufacturer
modelE-Paper Patrol Electronic Label SETPB0290N_XG
payment methodT/T
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update timeTue, 23 Dec 2025 05:20:48 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年
Communication Radius 10m
Display Color Black, white
Packging & Delivery
Min Order1 piece
Briefing
2.9 inch e-paper patrol label with dynamic QR codes, preventing inspection fraud and ensuring real on-site check-ins.
Detailed
2.9-Inch E-Paper Patrol Electronic Label with Dynamic QR Code
The SETPB0290N_XG is a 2.9-inch e-paper patrol electronic label 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.
2.9-Inch E-Paper Patrol Electronic Label 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 E-Paper Patrol Electronic Label 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
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