![2.9 inch black, white, and red electronic label [base station version]1](https://shopcdnpro.grainajz.com/1586/upload/news/2e87ab730685837af9d0bd60aa922792b3bd720a1e7dd2a8e13153a0f4f09c7d.png "2.9 inch black, white, and red electronic label [base station version]1")
![2.9 inch black, white, and red electronic label [base station version]2](https://shopcdnpro.grainajz.com/1586/upload/news/d531802cbbda9926e00eb38b89c182397ee5a9b885ba413fd767c070c4a2a64e.png "2.9 inch black, white, and red electronic label [base station version]2")
| TECHNICAL DETAILS | Product model | PE29R_V4 |
| Dimensions (mm) | 88.5*41.5*13.8mm | |
| Display technology | E ink | |
| Active display area (mm) | 29(H) * 66.9(V) | |
| Resolution (pixels) | 296*128 | |
| Pixel size (mm) | 0.227*0.226 | |
| Pixel colors | Black/White/Red | |
| Viewing angle | Nearly 180° | |
| Working temperature | 0-50℃ | |
| Product weight | 45g | |
| Battery | 1200mAh (CR2450*2) | |
| Battery lifetime | 3-5 years | |
| ESL operating frequency | 2.4G | |
| Wireless firmware update | Yes | |
| Support content format | Text/Picture/QR code/Barcode | |
| Communication radius | 30m | |
| Template design DIY | Yes | |
| Communication equipment | Gateway:PICK_Router_V4.4 / PICK_Router_V2.4 |
System structure：![2.9 inch black, white, and red electronic label [base station version]3](https://shopcdnpro.grainajz.com/1586/upload/news/8dbc7cb9cb3ecab445813683e16f3c9845fc97544d7f9c85b45a744eb1ec6c9d.png)
V4.4 version of the base station has a built-in server program. Users can just only send operating instructions to this base station to realize data transmission, which is simpler to use.![2.9 inch black, white, and red electronic label [base station version]4](https://shopcdnpro.grainajz.com/1586/upload/news/a4050b3b8d849ad4919ad28eeb6b175d3c59898cf2d592e0277a7b4698a262a7.png)
![2.9 inch black, white, and red electronic label [base station version]5](https://shopcdnpro.grainajz.com/copiedimages/20d61723-8ad4-4f97-8d40-9a9468d72a3b.jpg)
![2.9 inch black, white, and red electronic label [base station version]](https://shopcdnpro.grainajz.com/1586/upload/news/709d950d4707b9b944bf6c53177db4ae3d63ce529b0eaa579e6da59977dd0e5a.webp)
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