4.2 inch E Paper Shelf Label E ink Electronic Shelf Label Support Dynamic Pricing
4.2 inch E Paper Shelf Label E ink Electronic Shelf Label Support Dynamic Pricing
4.2 inch E Paper Shelf Label E ink Electronic Shelf Label Support Dynamic Pricing
4.2 inch E Paper Shelf Label E ink Electronic Shelf Label Support Dynamic Pricing
Model
Electronic Shelf Label SETRV3-0420-87

Item specifics

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)

Review

Description

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 esl electronic shelf label
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?
4.2 inch 4 colors electronic shelf label
4.2 inch tri-colors electronic shelf label
paper shelf label
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 label ESL system
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.
electronic shelf labels warehouse
color electronic shelf labels
electronic shelf labels retail
4.2 inch digital price tag
Product Model
SETRV3-0420-87
Display Technology
Full graphic E-ink Display
Dimensions(mm)
99.16x89.16x12.3
Active Area(mm)
84.8x63.6
Screen Resolution
400x300
Viewing Angle
>170°
Operating Temperature
0~40℃
Storage Temperature
0~40℃
Operating Humidity
45%~70%RH
Protection Grade
IP65
Battery
3 x CR2450
Wireless Connectivity
Private Protocol
ESL Operating Frequency
2.4~2.48GHz, Max EIRP≤10mW
Display Color
Black, white, red, yellow
Communication Distance
Within 30m (Open distance: 50m)
NFC
Yes
Wireless Firmware Update
Yes
Usable Pages
8
LED Light Color
Red, Green, Blue