u28p2a, which uses a 28 flat ips panel with uhd resolution, is designed for professionals. it offers a usb hub and two hdmi 2.0 ports, which together with the possibility of 180? rotation and low blue light technology contribute to more comfortable and productive work. adaptivesync flicker-freescreen type: ipsbacklight: wleddiagonal [inches]: 28resolution: 3,840 a - 2,160refresh rate: 60 hzaspect ratio: 16: 9display surface: anti-reflective + 3hbrightness [cd/m2]: 300contrast: 1000: 1response [ms]: 4 msviewing angles (horizontal/vertical): 178/178number of colors: 1.07 billionspeakers: 3 w a - 2connectors: hdmi 2.0 a - 2 displayport 1.2 a - 1 usb hub usb 3.2 (gen1) a - 4 headphone output (3.5 mm)power supply: internal, 100 ?240 v, 50/60 hzpower star power consumption: 45 wattsstandby power consumption (energy star): 0.5 wattwall mounting: 100 a - 100tilting the monitor: pivot rotation: 175? ? 5? tilt: -3.5? +/- 1.5? ~ 33 ? 2?? height adjustment measure: 130 mmcolor: blackdimensions (without stand, wxhxd mm): 636.4 x 368.5 a - 49.3weight [kg]: 7,16 kgpackage contents: hdmi cable: 1.8 m displayport cable: 1.8 mwarranty: 36 months