433MHz 4.2 inch 400*300 Resolution Electronic Shelf Label Epaper Display Tag For Retail

group name: Rf 433Mhz Electronic Shelf Labels

Min Order: 1 piece

brand name: Sertag Electronic shelf labels Manufacturer

model: SETR0420N

Nearest port for product export: Dalian, Shenzhen, Hongkong

Delivery clauses under the trade mode: FOB, CIF

Acceptable payment methods: T/T

update time: Tue, 26 May 2026 09:36:44 GMT

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Paramtents

Screen Size 4.2 inch
Dimension (mm) 104.5×98×14
Screen Color Black, white
Screen Resolution 400×300
Communication Band 433MHz/868 MHz /915 MHz
Response Time 9S(Configurable)
Battery Life Not less than 5 years，Replaceable
Battery CR2450*3

Packging & Delivery

Min Order1 piece

Briefing

Epaper Display Tag, Esl, Digital price tags ,E-ink display

Detailed

Description

Parameter

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4.2 inch 400*300 Resolution Electronic Shelf Label Epaper Display Tag For Retail

✔ E-Ink Display

High-contrast, easy-to-read screens with minimal power consumption.

✔ Server Options

Cloud or local Server based options

✔ Long Battery Life

Lasts up to 5 years without the need for frequent replacements.

✔ Wide range of applications

Perfect for the retails, warehouses and logistics management

✔ Real-Time Updates

Communication band is 433 Mhz. Instantly change prices and display information across all labels remotely.

Why Choose Sertag's Electronic Shelf Labels ?

● Low Energy Consumption

Ensures minimal power consumption, significantly reducing energy costs for your store.

● Visible from 180°

Enjoy the advantage of clear visibility from virtually any angle.

● Scannable QR Codes and Images

Enhance customer engagement and convenience with scannable QR codes and images on our digital price tags.

● Flashing LED Lights

For added attention or special promotions, our electronic shelf labels can be equipped with flashing LED lights.

● CE & RoHS Certification

This certification ensures that our electronic shelf labels meet European safety standards and are free from hazardous materials, assuring both quality and safety.

433MHz Electronic Shelf Label System Architecture

Product Model	SETR0420N	Dimension (mm)	216 × 131 × 9
Screen Size	4.2inch	Screen Resolution	400*300
Display Type	Bi-stable EPD(E-ink Display)	Screen Color	Black and white
Appearance	Standard unit available with white frame	Unit Identifier Barcode	Recognized by Scanner or Labeling on back
Operating Temperature	0~50℃	Storage Temperature	-10~60℃
Battery Life	Not less than 5 years，Replaceable	Replaceable Batteries	CR2450*3
Communications	433MHz/868 MHz /915 MHz	Operating Voltage	2.4V~3.6V