Graphics tablets accessories resolution 5 080 lpi resolution 2 560 x 1 440 pixels contrast ratio 9701 seitenverhltnis 169 brightness 330 cdm reaction time 12 ms display technology qhd pressure sensitivity 2 048 steps neigungserkennung 178 8989 horizontal 178 8989 vertikal display properties multi touch neigungserkennung eingabestift 60 number of keys 17 system requirements microsoft windows 7 microsoft windows 8 apple os x 108 usb a