HomeProduct Contrast-ratio4,500:1 4,500:1 Filter Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Commercial Monitors & Displays BenQ 55″ 4K Smart Signage – ST5502 $10,999.00 屏幕寸數: 55" Resolution: 3840 x 2160 Applications: Business Aspect-ratio: 16:9 BenQ Add to compare Added to wishlistRemoved from wishlist 0