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: Sat, 13 Sep 2025 17:19:12 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

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.

Product Model	SETR0420N
Screen Size	4.2inch
Dimension (mm)	216 × 131 × 9
Screen Resolution(mm)	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
Weight	239g
Communications	433MHz/868 MHz /915 MHz
Operating Voltage	2.4V~3.6V

433MHz Electronic Shelf Label System Architecture

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.

Electronic Shelf Labels Application