Philips B Line 328B1 00 LED display 80 cm (31.5") 3840 x 2160 pixels 4K Ultra HD Black Operating system installed___Windows 11 Pro Education 4 kg Height (with stand) 4 kg Height (with stand) 385 mm Depth (with stand) 230 mm Width (with stand) 499 mm Sustainability European Product Registry for Energy Labelling (EPREL) code 356024 Sustainability certificates ENERGY STAR General Product Family ProLite Logistics data Harmonized System (HS) code 85285210 Other features Power management Yes On off switch Yes keeping with the sleek design that is felt throughout the design horizontal 178° Maximum refresh rate 60 Hz Dynamic contrast ratio marketing name SmartContrast Contrast ratio (dynamic) 50000000:1 Contrast ratio (typical) 3000:1 Aspect ratio 16:9 Screen shape Flat Anti glare screen Yes Response time 4 ms Display brightness (typical) 350 cd m² Backlight type W LED Panel type VA HD type 4K Ultra HD Touchscreen No Display technology LED Native aspect ratio 16:9 Display resolution 3840 x 2160 pixels Display diagonal 80 cm (31 Mercury Sustainability certificates RoHS General Product Family B Line Recycling data Post consumer recycled plastic 85% Logistics data Harmonized System (HS) code 85285210 Other features Picture enhancement SmartImage Regulatory Approvals CB