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2.4GHz ESL (SLIM Series)

SLIM-370BWRY

3.7" Black / White / Red / Yellow (4-color) 2.4GHz SDR (SLIM Series)
  • 3.7" E-Ink display — 416×240 resolution
  • Black / White / Red / Yellow (4-color) 4-color display for eye-catching pricing
  • 2.4GHz SDR (SLIM Series)
  • CEDAR V3 AP (required)
  • 5+ years battery life
  • IP54 rated — dust & splash resistant
  • Ideal for: Larger retail displays, home appliances, sporting goods, furniture

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MOQ flexible. Bulk orders get additional discounts. OEM branding available.

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3.7" widescreen E-Ink display with 416×240 resolution

4-color BWRY for compelling promotional and sale labels

2.4GHz centralized management — perfect for large retail floors

5+ year battery life — matches typical product lifecycle on display

Widescreen format ideal for product descriptions with images

IP54 dust and splash resistance — reliable in any retail setting

Popular for home appliance, sporting goods, and furniture retail

Technical Specifications
Display TechnologyE-Ink (Electronic Paper)
Screen Size3.7"
Resolution416×240 pixels
Display ColorsBlack / White / Red / Yellow (4-color)
Communication2.4GHz SDR Wireless
Gateway RequiredYes — CEDAR V3 AP
Battery Life5+ years (typical usage)
Update Speed< 0.3s per tag
Operating Temperature-10°C to +60°C
IP RatingIP54 (Dust & Splash Resistant)
MaterialABS plastic housing

* Specifications subject to change without notice. Contact us for the latest datasheet.

SLIM-370BWRY Electronic Shelf Label — 3.7" E-Ink electronic shelf label (ESL) featuring Black / White / Red / Yellow (4-color) 4-color display. Powered by 2.4GHz SDR (SLIM Series). CEDAR V3 AP (required). Battery life up to 5+ years. IP54 rated for dust and splash resistance. Operating temperature: -10°C to +60°C. Ideal for Larger retail displays, home appliances, sporting goods, furniture.

Tocvue ESL labels use ultra-low power E-Ink (electronic paper) technology — the same display used in Kindle e-readers. The screen only draws power when the content changes, resulting in a 5+ year battery life. No backlight needed — paper-like readability from any angle, even in direct sunlight.

The SLIM-370BWRY is available in two connectivity versions: SLIM Series (2.4GHz) requiring the CEDAR V3 AP gateway for centralized management of hundreds of tags, and BLE Series (Bluetooth 5.0) requiring no gateway — controlled directly from a smartphone app. Choose the version that best matches your store size and deployment requirements.

Factory-direct from Tocvue — professional ESL manufacturer since 2016. Contact us for wholesale pricing, sample units, and OEM customization.

The SLIM-370BWRY is a 3.7-inch 2.4GHz ESL from Tocvue, featuring the highest pixel density in the SLIM series. Connected via the CEDAR V3 AP gateway using 2.4GHz SDR wireless, it is designed for chain stores needing centralized pricing control. The 416×240 pixel E-Ink display shows 4 colors (Black/White/Red/Yellow) with sharp text and graphics. With 5+ years battery life, it excels in 3C electronics stores and anywhere product information needs detailed display.

Related ESL Products

Key Features

Enterprise-Grade Wireless

SLIM-370BWRY operates on the 2.4GHz SDR platform, connecting through the CEDAR V3 AP gateway for centralized price management across hundreds or thousands of tags. Ideal for chain stores and large-format retail.

4-Color E-Ink Display

3.7-inch inch E-Ink screen supports Black, White, Red, and Yellow — making regular prices and promotional offers clearly distinguishable at a glance.

5+ Year Battery Life

Using CR2450 batteries, SLIM-370BWRY delivers over 5 years of operation with user-replaceable batteries. No need to replace the entire unit when the battery runs low.

Centralized Multi-Store Management

Through the CEDAR V3 gateway and cloud platform, manage prices across all store locations from a single dashboard. Update regional pricing, run chain-wide promotions, and maintain 100% price accuracy effortlessly.

Industrial Durability

IP65-rated dust-tight and water-jet resistant housing. Cold-aisle models (SLIM-213BW-LOW) operate down to -25C for freezer and冷链 applications. Built for the demands of supermarket and hypermarket environments.

Ready to Upgrade to Digital Shelf Labels?

Contact us for wholesale pricing. MOQ flexible. Samples available.

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