Open-Box: Flawless display, no defects. Minor cosmetic marks, Minor scratches on neck stand, complete set. Professionally inspected, fully operational. * ---Dell P2425H Monitor ---23.8" 1920 x 1080 FHH IPS LCD Display ---Aspect Ratio - 16:9 ---Max Brightness - 250 cd/m2 ---Contrast Ratio - 1500:1 ---Response Time - 5 ms ---Refresh Rate - 100Hz ---VESA Mounting Hole Pattern - 100 x 100 mm ---Lock Slot - Yes, Kensington.