4.2 inch E Paper Shelf Label E ink Electronic Shelf Label Support Dynamic Pricing
group name2.4G Electronic Shelf Labels
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Min Order1 piece
brand nameSertag Electronic shelf labels Manufacturer
modelElectronic Shelf Label SETRV3-0420-87
payment methodT/T
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update timeSat, 06 Dec 2025 00:11:09 GMT
Paramtents
Dimensions(mm) 99.16x89.16x12.3
Display Technology Full graphic E-ink Display
Screen Resolution 400x300
Operating Temperature 0~40℃
Battery 3 x CR2450
Communication Distance Within 30m (Open distance: 50m)
Packging & Delivery
Min Order1 piece
Briefing
The 4.2 inch electronic shelf label uses 4-colors e-ink display, support NFC, wireless firmware update, 8 usable pages.
Detailed
4.2 inch E Paper Shelf Label E-ink Electronic Shelf Label Support Dynamic Pricing
Sertag's 4.2 inch four colors electronic price label use a black, white, red, and yellow e-paper display, designed to elevate retail operations with unparalleled clarity and versatility. It has a high resolution with 400x300, the label delivers sharp and clear visuals for text, barcodes, and images.
The 4.2 inch four-color e-paper electronic shelf label is more than just a product. Its convenient operation and 30m communication distance (up to 50m in open areas) make it a smart solution for modern retail and other fields.
4.2 inch 4-Colors E-Paper Shelf Label Key Features
✔ Four-Color E ink Display
The vibrant black, white, red, and yellow display ensures high visibility, making it perfect for highlighting promotions, warnings, or critical product information.
✔ Robust Communication Range
Operating in the 2.4~2.48GHz frequency band, the label offers a communication distance of up to 30 meters indoors and up to 50 meters in open areas.
✔ Multi-Page Display
Supports up to 8 pages, enabling multiple sets of information to be displayed and easily accessed.
✔ Durable and Reliable
With an IP65 protection rating, the label is waterproof, dustproof, and built to withstand challenging environments.
Why Choose 4-Colors Electronic Shelf Labels?
eRetail3.2 System ESL | eRetail3.2 System ESL | Paper Price Label |
| ✔ Reduce Cost | ✔ Reduce Cost | ✘ High Cost |
| ✔ Wireless Update | ✔ Wireless Update | ✘ Can’t Update |
| ✔ Eco-Friendliness | ✔ Eco-Friendliness | ✘ Waste Paper |
✔ Reducing Manual Labor | ✔ Reducing Manual Labor | ✘ Labor Intensive |
✔ NFC | ✘ NFC | ✘ |
⭐ Support multi-page display | Single page display | ✘ |
⭐ 4-Colors/ 3-Colors/ Monochrome | 3-Colors/ Monochrome | ✘ |
| ⭐ 30m communication distance (Open distance: 50m) | 12~15 communication radius | ✘ |
How do 2.4G Electronic Shelf Labels Work?
Electronic Shelf Labels Application
⭐ Retail Stores: Display dynamic pricing, promotions, and product details.
⭐ Warehouses: Provide item identification and storage details.
⭐ Industrial Use: Highlight critical instructions or safety information.
⭐ Public Utilities: Display schedules or public notifications.
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