| 2.9 Inch | 4.2 InchPopular | |
|---|---|---|
| Recommended Uses | Price tags, shelf labels, and inventory labels | Tabletop signage, reception displays, and POP displays |
| Features | Compact and space-saving | Easy to display text and information clearly |
| Recommended For | Ideal for retail stores, warehouses, and factories | Ideal for offices, reception areas, and signage applications |
| 1pc (1-Pack)Includes accessories | 6pcs sets | |
|---|---|---|
| Contents | 1 unit (main device) + stand and clip included | 6 units (main devices only, no accessories included) |
| Who It’s For | Single unit first | Multiple units |
| Recommended Applications | Personal use, trial use, or sample deployment | For multi-unit deployment in stores, offices, and facilities |
What is the EZ Sign® NFC E-Paper Display?
EZ Sign®It is abattery-free electronic paper (e-paper) displayでthat allows you to update content simply by holding an NFC-enabled smartphone over it. The displayed content remains even without power, enabling operation withno cables and no battery replacement required.
Available in 2 sizes (2.9-inch and 4.2-inch), it supports 2 Color display (black and white). With IP65-level dust and water resistance, it can be used for display management in a wide range of environments, including retail stores, offices, factories, and medical facilities.
主な活用シーン
Offices and reception areas
Name badges, meeting room displays, reception signage, staff name displays, and hot-desking management
Retail and sales
Price tags, shelf labels, name badges, POP displays, menu boards, and promotional signage
Factories and warehouses
Process tags, inventory labels, and management labels (suitable for dust- and water-resistant environments)
Events and facilities
Staff name badges, reception displays, and information signage (easily updated via smartphone, even for staff changes)
Simply tap with your smartphone — Update in 3 easy steps
You can create display content using a dedicated app and update it simply by holding your smartphone near it. Since the power required for rewriting is supplied via NFC, the device does not require a battery.
Install the [EZ Sign NFC] app.
It can be downloaded for free from the App Store (iPhone) or Google Play (Android). The Windows version can be downloaded from this website.Download here
Create the display content using the app.
You can create display data using text, images (PNG/JPEG), and templates. It is also possible to import images created with external tools such as Canva.
Hold your smartphone over the center of the device.
Place the NFC area in close contact with the center of the device, and keep it still until the completion message appears.
4-color model: approximately 30 seconds / 2-color model: approximately 2–3 secondsProduct Specifications
| 2.9-inch | 4.2-inch | |
|---|---|---|
| Display Area Dimensions | 66.9 x 29.06 mm (W x H) | 4.2-inch: 84.8 x 63.6 mm (W x H) |
| Body Dimensions | 82.2 x 39 x 3.4 mm (W x H x D) | 99.1 x 85.1 x 9.8 mm (W x H x D) |
| Weight | Approx. 13 g | Approx. 29 g |
| Display Colors | Black and White(2 colors) | |
| Body Color Options | Black and White | |
| Update Time | 2-Color: Approx. 2–3 seconds | |
| Communication Method | NFC (powered and updated via smartphone) | |
| Built-in Battery | None (NFC-powered) | |
| Display Retention | Indefinite display without power | |
| Dust/Water Resistance | IP65 equivalent | |
| Recommended Operating Temperature | 0–50°C | |
| Storage Temperature | -25–60°C | |
| Package Contents (Single Unit) | Main unit ×1, Stand ×1, Clip ×1 | |
| Package Contents (6-Pack) | Main unit ×6 (no accessories included) | |
Supported Devices / Operating Environment
- iPhone (iOS 13 or later)
- Android (NFC-enabled devices)
- Windows 10 or later (writing requires a separately sold NFC reader. Recommended NFC reader: RC-S300 (Sony)).
※ For iPhone, please remove the case before use. On Android devices, the NFC antenna position varies depending on the manufacturer.
※ For a detailed list of verified compatible devices, please refer to the EZ Sign FAQ.
Precautions for Use
⚠️If rewriting fails or does not work properly
- Please be sure to remove the smartphone case (thick cases and cases with built-in magnets may particularly affect performance).
- NFC communication may become unstable near metal surfaces or strong magnetic fields. Please use the device away from metal surfaces.
- Please place the NFC antenna in firm contact with the center of the device and keep it still until the completion message appears.
- If the issue persists, please contact us via Contact Us with the product name, device model, and OS information.
⚠️ For Google Pixel and some Android devices users
- Users with Google Pixel 7 or earlier models may experience unstable rewriting performance.
- Please try using a different device or check the Support Page.
🚫 not covered by warranty / Warranty may not apply in the following cases
- Cracks or damage to the internal glass panel caused by dropping the device, strong impacts, or excessive pressure.
- Static electricity damage caused by dry environments or excessive friction.
- Water damage or submersion (IP65 is dust- and splash-resistant; it is not designed for underwater use).