the ev2785-bk only has one cable to turn into a full-featured docking station for tablets, laptops or smartphones.the ev2785-bk also provides power and lets you charge the batteries in connected devices, such as macbook. for this, 60 w power is available without having to connect an external psu.screen type: ipsbacklight: leddiagonal [inch]: 27resolution: 3840 x 2160 (4k uhd)pixel pitch [mm]: 0.155 x 0.155aspect ratio: 16: 9brightness [cd/m2]: 350contrast: 1300: 1response [ms]: 5 msviewing angles (horizontal/vertical): 178/178?number of colors: 16.7 million colors (display port, 8 bits), 16.7 million colors (hdmi, 8 bits), 16.7 million colors (dvi, 8 bits)color palette/lut table: 1.06 billion colors/10 bitsspeakers: yesconnectors:two hdmi signal inputs and two displayport inputs (one of them merged with usb-c)usb 3.1 type c3.5 mm stereo jackauto-ecoview, ecoview-index and ecoview-optimizer for maximum energy savings and optimum ergonomicspower supply: ac 100-120 v/200-240 v, 50/60 hzconsumption [w]: 32.0, 162 (at maximum brightness and simultaneous use of all signal inputs and usb hubsstand by mode [w]: less than 0.5 wtco: tco 7wall mounted : standard vesa 100 ? 100 mmtilt the monitor:height 178 mm, tilting back 35 st., forward 5 st., turning 172 st., rotation 90 st.color: blackdimensions (wxhxd mm): 611 x (367 - 545) x 230weight [kg]: 8.2warranty: 60 months.