Rosper
Electronic Shelf Label

SUNMI ESL

Digital e-paper price tags with 5-year battery life, 7-color LED indicators, and cloud management — update prices across every shelf in seconds, not hours. Available from Rosper with 8 warehouses across the US and Canada.

SUNMI ESL Electronic Shelf Labels

Key Features

SUNMI ESL electronic shelf labels bring digital pricing to retail stores, supermarkets, and warehouses across the US and Canada.

e-Paper Display — Sunlight Readable

Black/White/Red e-paper technology provides crisp, paper-like readability in any lighting condition — from bright storefronts to dimly lit warehouses. Zero power consumption when not updating.

5-Year Battery Life

No wiring, no charging stations. Each SUNMI ESL label runs on a single battery for up to 5 years under normal update frequency, dramatically reducing maintenance costs.

7-Color LED Status Indicators

LED indicators flash different colors for picking tasks, on-sale items, out-of-stock alerts, and expiring promotions — guiding staff without needing to read every label.

Active NFC for Fast Pairing

Tap a SUNMI PDA or NFC-enabled device to any ESL label for instant pairing and configuration. Deploy hundreds of labels in minutes instead of hours.

Real-Time Price Sync

Change a price once — it updates across all connected labels in every store location within seconds. Eliminate pricing errors and manual label printing entirely.

PDA Integration for Picking

Works with SUNMI handheld devices for stocktaking and fast picking workflows. LED indicators guide warehouse staff to the right shelf location instantly.

Application Scenarios

SUNMI electronic shelf labels enable real-time price management, vivid product information display, and intelligent inventory workflows.

Real-Time Price Adjustment

Dynamically manage and adjust prices in real time. Unified price management across multiple locations — update thousands of labels simultaneously from headquarters with zero manual effort.

ESL electronic shelf label showing real-time pricing on fresh produce shelf
Digital price tags on supermarket vegetable display shelves
Central server pushing price updates to multiple retail store ESL labels

Vivid Product Display

Tricolor e-paper display presents product information more vividly than paper labels. Visual editing functions let store managers adjust promotional messages quickly and easily.

SUNMI ESL labels with colorful LED indicators showing pricing and promotions
Electronic shelf labels displaying prices in a home textiles retail store
ESL digital price tag showing product details on retail shelf

LED-Guided Operations

Seven-color LED indicators show commodity status — picking, on sale, out-of-stock, and more. Coupled with PDA for fast stocktaking, picking guidance, and coping with network interruptions.

SUNMI ESL labels with LED status indicators across retail shelves
ESL labels deployed in premium bedding retail store environment
Electronic shelf label showing detailed product and pricing information

SUNMI ESL Product Line

Six ESL models from 2.13" to 7.5" — including cold-storage and IP67 waterproof variants. All available from Rosper across North America.

SL121

2.13" — Black / White / Red — Standard compact shelf labels

SL126

2.6" — Black / White / Red — Standard, most popular size

SL126+

2.6" — Black / White / Red — Anti-freezing, operates to -20°C

SL142

4.2" — Black / White / Red — Large format, premium product displays

SL142+

4.2" — Black / White / Red — IP67 dustproof & waterproof

SL175

7.5" — Black / White / Red — Extra-large, end-cap and signage

Display

e-Paper (Black / White / Red)

Battery Life

Up to 5 years

LED Indicators

7-color status LED

NFC

Active NFC for fast pairing

Update Protocol

2.4 GHz proprietary wireless

Frequently Asked Questions

How long does the SUNMI ESL battery last?
SUNMI ESL electronic shelf labels have a 5-year battery life under normal usage conditions. The e-paper display only consumes power when updating, so even with multiple daily price changes the battery lasts for years without replacement.
How do I update prices on SUNMI electronic shelf labels?
Prices are updated wirelessly through the SUNMI ESL cloud platform. When you change a price in your system, it syncs to all connected labels across every store location in seconds. The SLAP1 access point communicates with up to 10,000 ESLs within a 25-meter radius.
Can SUNMI ESL integrate with my existing POS system?
Yes. SUNMI ESL supports integration with major POS and ERP platforms via standard APIs for price synchronization. It works alongside existing SUNMI POS terminals or third-party systems.
What sizes do SUNMI ESL labels come in?
SUNMI ESL labels are available in six models from 2.13" (SL121) to 7.5" (SL175), including cold-storage (SL126+, operates to -20°C) and IP67 waterproof (SL142+) variants.
What is the ROI of electronic shelf labels vs paper labels?
Most retailers see ROI within 12–18 months. ESLs eliminate labor costs for manual price changes, reduce pricing errors by over 95%, and enable dynamic pricing strategies. A 500-label store typically saves 20+ hours per week on price management alone.
What support does Rosper provide for SUNMI ESL deployment?
Rosper provides full deployment support including system design consultation, access point placement planning, integration guidance, and the standard SUNMI 3-year warranty. All hardware ships from 8 warehouses across the US and Canada in 2–7 business days.

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