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| Brand Name : | OKSMART | 
| Model Number : | OKE0420 | 
| Certification : | SGS | 
| 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 | 
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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