Usingwin 75 дюймов сенсорный экран интерактивная белая доска для школы Премиум Смарт белые
- Категория: Доска >>>
- Поставщик: Chengdu,Usingwin,Electronics,Technology,Co.,Ltd.
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Описание и отзывы
Трекер стоимости
| Месяц | Минимальная цена | Макс. стоимость |
|---|---|---|
| Sep-17-2025 | 1414.4 $* | 1485.74 $* |
| Aug-17-2025 | 1402.0 $* | 1472.66 $* |
| Jul-17-2025 | 1176.6 $* | 1235.74 $* |
| Jun-17-2025 | 1378.6 $* | 1447.61 $* |
| May-17-2025 | 1200.83 $* | 1260.94 $* |
| Apr-17-2025 | 1354.10 $* | 1422.30 $* |
| Mar-17-2025 | 1342.39 $* | 1409.53 $* |
| Feb-17-2025 | 1331.83 $* | 1398.56 $* |
| Jan-17-2025 | 1319.69 $* | 1385.92 $* |
Характеристики
Products Description
An interactive whiteboard device can either be a standalone computer or a large, functioning touchpad for computers to use.
Usingwin Interactive Smart White Board is a contain computer,whiteboard,projector, TV,speaker，advertising machine，multifuction ,all in one equipment.
Usingwin Interactive Smart White Board is a contain computer,whiteboard,projector, TV,speaker，advertising machine，multifuction ,all in one equipment.
Product details
Size | 55 inch | 65 inch | 75 inch | 86 inch | 98inch | ||||
Display Area | 1210.6mm(H)×681.4mm(V) | 1429mm(H)×804mm(V) | 1646.5mm(H)×924.7mm(V) | 1891mm(H)×1062mm(V) | 2204mm（H）×1239.5mm（V） | ||||
Contrast | 3000:1 | 3000:1 | 4000:1 | 4000:1 | 1400:1 | ||||
Optimal Resolution | 3840*2160 RGB | ||||||||
Display Ratio | 16:9 | ||||||||
Brightness | 350cd/㎡ | ||||||||
Brightness Uniformity | >72% | ||||||||
Response Time | 9.5ms | 8ms | |||||||
Display Color | 8 bit/16.7 Billion | 8bit/1.07B | |||||||
Backlight | LED | ||||||||
Life Time | 50000 hours | ||||||||
Input power | AC100-240V~50/60Hz | ||||||||
Installation Instructions
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