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Home > Signage & Tag > E Ink Desk (Door) Sign > E-Paper Meeting Sign 4.2-inch Color E Ink Display Smart Bluetooth Screen Electronic Name Card

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E-Paper Meeting Sign 4.2-inch Color E Ink Display Smart Bluetooth Screen Electronic Name Card, DM042FAB1M

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$63.90

4.2-inch Tri-Color/Quad-Color E-Paper Door Sign – where innovation meets style.It supports Bluetooth transfer via a mobile app for easy and fast operation, with full technical support and worry-free after-sales service.

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Description

⚡ Bluetooth 5.0 · APP / Gateway

Smart E-Paper
Meeting Nameplate

Android & iOS Ready · Zero‑power hold · Wireless · Real‑time sync

Web API Tool → APP

✓ Trusted by 1,000+ enterprises worldwide

E-Paper Nameplate

Still struggling with these?

E‑Paper nameplates solve them instantly

Replace outdated workflows with a smart, sustainable solution

1

Paper Waste

Reusable e‑paper, one‑click update — no more printing, cutting, or placing

2

Messy Cables

Bluetooth wireless, no power or network cables — clean desk, free placement

3

Last‑minute Changes

Scan & update via APP in seconds, attendees see correct info immediately

4

Frequent Charging

Ultra‑low power, 300‑500 refreshes per charge — months of battery life

Why choose E Ink

Designed for efficiency at every step

Fully Customizable

Text, images, QR codes, logos — adapt to meetings, banquets, workstations.

Open API · Seamless Integration

RESTful API to integrate with OA, meeting room systems, ERP, and more.

Zero Power · Green Office

No power needed to hold display. Eliminate paper waste and save energy.

Technical Specifications

Built for performance & reliability

Specification	Details
Model No	DM042TAB1M ( 3 color) / DM042FAB1M (4 color)
Screen Sizes	100×83×11mm (400x300)
Color	Black, White and Red or Black, White, Red and Yellow
Control	APP (iOS/Android) · Gateway Web · RESTful API
Battery Life	300–500 refreshes per charge · USB‑C charging
Viewing Angle	>170° · wide visibility
Pre‑loaded Templates	Up to 10 local layouts · instant switching
Weight	85±5g

Flexible Deployment

From small meetings to global enterprises

One solution fits every scale — choose the model that works for you

APP Control

Direct APP · Flexible

Scan to pair, one person can update all nameplates. Perfect for ad‑hoc meetings.

Gateway

Gateway · Remote

Manage all devices from anywhere, batch updates, real‑time status monitoring.

On-premise

On‑premise · Secure

Smart Server + Gateway + Nameplates, fully offline — data stays inside.

iOS & Android

App Ready – Download & Go

Search “Mohui” on App Store or Google Play. Instantly pair and manage your e‑paper cards.

Search “Mohui” for iOS Download for Android

📱 APP Control – 3 Steps

Scan, choose template, update — done in seconds

🖥️ Gateway Control – Batch Management

Scheduled updates, health monitoring, remote control

Use Cases

Works wherever you need clarity

Room Display

Room Display

Digital Door Sign

Digital Door Sign

Office Display

Office Display

Occupancy Indicator

Occupancy Indicator

One Size Does Not Fit All

Choose the right display for your space

7.5 inch

7.5‑Inch Display

400×300

Ideal for co‑working spaces and small meeting rooms

10.2 inch

10.2‑Inch Display

800×480

Perfect for offices, with a vibrant color option

10.85‑Inch Display

1360×480

Ideal for meeting rooms, lobbies, and home offices

Eco‑friendly & Sustainable

Good for business, good for the planet

🔋

Battery Powered

Up to 300‑500 refreshes per charge — long‑lasting performance.

📄

E‑Paper Technology

Completely paper‑free. No printing, no waste.

💰

Lowest TCO

Eliminate installation and maintenance costs over time.

Battery comparison

Learn more about GOODISPLAY's environmental efforts →

Trusted Reliability

18 years of expertise

10+

Expert R&D Team

Full‑stack in‑house development

ISO

Quality Certified

ISO9001 · 99.9% pass rate

18

Years Industry

Global customers · 7×24 support

48h

In Stock Ready

Fast shipping to meet your timeline

FAQ

Quick answers to common questions

Q: I started with APP, now I have many nameplates and want to use Gateway. Do I need new devices?

A: No. All our nameplates support both APP and Gateway — you can switch anytime without reinvestment.

Q: Battery life and charging?

A: 300–500 refreshes per charge. At 2 updates/day, that's ~6–8 months. Charges via USB‑C.

Q: How many pre‑set layouts can be stored locally?

A: Each terminal can preload up to 10 local frames. Switching is instant with zero network latency.

Resources

Files & Download

Access user manuals and helpful guides

Mohui_App Mohui App User Manual Electronic Nameplate with Gateway User Manual Why can't I download the files?

About Us

Committed to quality & innovation

Thank you for your interest in our product. We can provide front light, touch screen, and other accessories.

For more information, please visit our official website at www.good-display.com

If you need any further assistance, please feel free to contact us at buyepaper@good-display.com

CE ISO 14001 ISO 9001 REACH RoHS

All products are fully compliant with international environmental and quality standards.

📧 Contact Our Engineers

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