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| Categories | Wireless E Paper Displays | 
|---|---|
| Brand Name: | OKSMART | 
| Model Number: | OKE0420 | 
| Certification: | SGS | 
| Place of Origin: | Shenzhen China | 
| MOQ: | 1000 | 
| Price: | USD 11.9-14.23 per piece | 
| Payment Terms: | Trade Assurance, L/C, T/T, Western Union, MoneyGram, D/P, D/A | 
| Supply Ability: | 90000 pieces per month | 
| Delivery Time: | 30-45 working days | 
| Packaging Details: | Kraft box / white box to a carton or customized packing | 
| Other name: | E - ink Price tag esl kit | 
| White reflectance: | above 35% | 
| Contrast ratio: | above 10:1 | 
| viewing angle: | Ultra wide viewing angle | 
| power consumption: | Ultra low power consumption | 
| reflective mode: | Pure reflective mode | 
The advantage for okE0420 is :
1 . Electronic paper technology
2 . Ultra-Low-Power RF communication
3 . Encrypted data transfer
4 . Active battery supervision
5 . Standard operating temperature (0-40°C)
6 . Easy to install, integrate and maintain
7 . Best legibility from various angels and high contrast
8 . Easy communication
9 . Low total costs in regard to life time
10 . 433MHz,strong penetrating, long communication distance
11 . Long -living battery(e.g. 2.8” :5years-based on 1 price
changes per day)
| Outline Dimension: | 91.00× 77.00×1.25mm  | pixels display:  | 400×300 | 
| Active Area: | 84.8×63.6 | Pixel Configuration: | Square | 
| Screen Size: | 4.2Inch | Pixel Pitch: | 0.212×0.212 | 


                                 
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