Diagonal 21.5 Touchtechnology projective capacitive multitouch (2 compatible touch points - supported only under Windows® 7) activated by finger Panel IPS LED-backlit Glass hardness 7H minimum Display area h x w 268.1 x 476.6 mm; 10.6 x 18.8 Response time 8 ms Contrast 1 000 : 1 with touch panel Brightness 225 cd/m² with touch panel Viewing zone horizontal/vertical: 178°/ 178°; right/left: 89°/ 89°; up/down: 89°/ 89° Display colour 16.7 million Pixel pitch h x v 0.247 x 0.247 mm Native resolution Full HD 1080p 1920 x 1080 ( 2.1 megapixel) Horizontal sync 31.5 - 82.3 KHz Vertical sync 56 - 75 Hz Synchronization Separate Sync Aspect ratio 16 : 9 Light transmittance 90% Analog input connector VGA (D-Sub) Digital input connector DVI-D Inputs USB (for touch connectivity) On-Screen-Display in 8 languages (DE EN ES FR IT JP Chinese - traditional and simplified) and 5 front controls (Menu Scroll up/ Brightness Scroll down/ Contrast Select/ Auto Power) User controls contrast brightness auto adjust H.position V.position H.size phase OSD H.position OSD V.position OSD timeout reset input select OSD language colour temperature Anti-theft-device Kensington-lock™ prepared Safety CE TÜV-Bauart VCCI IP54 Tilt angle 90° up; 5° down VESA mounting 100 x 100 mm Colour Black