B? ?i?u khi?n t? ?i?n: Có nhi?m v? ?i?u khi?n thi?t b? chuy?n m?ch theo th?i gian.“The ViewSonic PX747-4K is great for use in contemporary living rooms as a consequence of its large light output. Vibrant pictures are projected clean Despite having controlled reduced gentle.The set up is finished in a few minutes.Dòng máy xoay chi?u 1 pha có k