The 12000:1 high contrast ratio gives you more realistic colour reproduction and brings out darker details.S upports 4K smartphone video wifi screen sync. Lamp Life: 80000 hours. Projector Screen. 【MANUAL FOCUS & ±15° KEYSTONE CORRECTION 】Don't worry about that the image will be bluerred when the projection distance changes, just try to adjust the focus ring until the image is clear.
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