
Mark Davis
Mark Davis has been an excellent digital review editor in San Francisco for eight years and has a complete knowledge of cell phones, TVs, speakers and home theater DIY.
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Articles By This Author

3 core parameters of projector screen
- . August 5, 2021
The three core parameters for purchasing a projector screen are screen gain, viewing angle, and color reproduction.

Wemax 4K laser projector C700 9,000 ANSI high-end projector
- . August 3, 2021
Wemax 4K laser projector C700 Review 9,000 ANSI high-end projector,This is a product with a really high price