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2.9 Inch E-paper Bluetooth Digital Tag ET0290-3DB
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This 2.9-inch smart tag features a clear and vibrant e-paper display, available in tri-color. It is ideal for retail stores, supermarkets, and other commercial spaces, offering easy remote updates through smartphone Bluetooth. This allows you to display any content you choose effortlessly. Energy-efficient and durable, They provide a cost-effective and sustainable solution for modernizing your pricing strategy and reducing operational costs. |
Special Features |
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| ● The standard protection rating is IP65, which is fully dustproof and water-resistant, making it suitable for outdoor and damp environments. Optional ratings of IP54 and IP68 are also available. ● We offer a wide range of personalized customization options, such as custom casing or logo, support for various communication protocols, custom advertising messages, and even the option to purchase just our PCBA. |
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Technical Details |
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Product Specifications |
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| TECHNICAL SPECIFICATIONS | Outline Dimension: 91.39mm(H)×41.99mm(V)×12.3mm(D) Weight: 40g Operating temperature: 0~40℃ Operating humidity: 45%~70%RH Protection rating (Optional): IP54 LED: Red, Green, Blue, three primary colors, Support 7 colors Communication Band: 2.400-2.480 GHz Communication Distance: Within 30 meters (50 meters in open areas) |
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| DISPLAY SPECIFICATIONS | Size: 2.9 inch Resolution: 296(H)×128(V) DPI: 112 Active Area: 66.9mm(H)×29.06mm(V) View Angle: >170° Shell Color (optional): Black/White Screen Display Color: Black, White, and Red (tri-color) |
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| BATTERY SPECIFICATIONS | Batteries: CR2450 x 2 Battery life time: Up to 7 years (industry leader) |
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When using a small number of electronic tags, you don't need cloud servers, ESL management systems, or access points—just a single Android smartphone is sufficient to easily update prices and give your store a modern, sophisticated appearance.
For a larger number of electronic tags, the access point allows for centralized management and remote updates. This setup reduces maintenance costs, saves time, and enhances the store's overall image.
| Feature | Smart Phone APP Ver. | Part Number |
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| Four Color | ET0290-84B | ET0290-84 |
| Three Color | ET0290-3DB | ET0290-3D |
| Monochrome Fast Update | ET0290-13B | ET0290-13 |
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Files And Download |
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| ● ET0290_specification | ● Android-Smartphone-APP-Manual | ||
| ● E-label.apk | ● The Lastest Catalog | ||
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Supermarkets and hypermarkets |
Nameplate |
Warehousing and logistics |
Smart card |
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| You don't need to be an environmental scientist to make sustainable choices. At GooDisplay, we passionately integrate sustainability into the production of e-paper. |
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Substitute for Paper Usage Epaper provide a paper-like touch and reading experience, serving as a sustainable alternative to traditional paper and reducing environmental impact from deforestation and paper manufacturing. |
Device Packaging |
Energy Efficiency |
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Thank you for your interest in our product. We could provide front light, touch screen, and other accessories for you. For more information, please refer to the relevant manual available in our Library or visit our official website at [www.good-display.com].
If you need any further assistance or have any other questions, please feel free to contact us. We sincerely invite you to send your inquiries to our email at [buyepaper@good-display.com].
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