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3.5 inch B/W/R ESL
The 3.5-inch Black/White/Red E-paper Electronic Shelf Label (ESL) is a high-visibility digital labeling solution ideal for medium to large retail shelving, warehouse management, and smart signage. Utilizing advanced E-ink tri-color technology, it presents crisp content in black, white, and red, with ultra-low power consumption and excellent sunlight readability.
Key Features:

Tri-Color Display: Displays black, white, and red — ideal for highlighting discounts, alerts, or important product details.

Larger Display Area: At 3.5 inches, it provides ample space for pricing, barcodes, product names, and branding, making it suitable for larger items or high-visibility zones.

Ultra-Low Power Consumption: Energy is only used during content updates, supporting 10 years of operation on a single battery.

Superior Readability: High contrast and paper-like display ensures clear reading even under direct sunlight.

Wireless Update Support: Compatible with RF (2.4GHz), BLE, or NFC protocols, allowing remote updates via gateway systems.

Applications:

Retail: Larger price labels, category signage, and promotional messages

Warehouse & Logistics: Storage bin labels, order picking indicators

Industrial Facilities: Equipment labels and safety notices

Smart Buildings: Nameplates, office room status displays

Specification

Product Dimensions (mm)

100.99 x 49.79 x 12.3

Case Color

Black, White

Display Color

Black/White/Red

Display Area (mm)

79.68 x38.18

Display Resolution (Pixel)

384 x 184

DPI

122

NFC

Support (Optional)

Multiple Pages

Support 8 pages

LED

Red, Green, Blue, three primary colors, Support 7 colors

Operating Temperature

0°- 40°C

Ambient Humidity

45% - 70%RH

Battery Type

Button Battery

Battery Life

>10 years

Waterproofing Level

IP54

Certification

CE, RoHS, FCC, MIC

Communication Frequency Band

2.400-2.480 GHz, Maximum EIRP ≤ 10mW

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