... signal is covering. 6. Considering the requirements of vibration, temperature, and power shock durability for designing. 7. Built-in ... sound can compete with laser displayer. 16. With low distortion, the fine image can compete with digital DVD. 17. Equipped with DC +12V~DC ... are suitable. 18. One optional AV input terminal, can connect with outer VCD, DVD, etc. AV devices. 19. Provide optional ...