Dell Alienware 15 (Early 2015) - Manual (Page 16)

Specifications
Views
System
Information
Memory
Ports and
Connectors
Dimensions and
Weight
Computer
Environment
Storage
Touch Pad Power Adapter Camera
Communications
Battery
Video Audio
Display
Media-Card
Reader
Keyboard
Display
Non-touch screen Touch screen
Type 15.6‑inch Full HD 15.6‑inch Ultra HD
Resolution (maximum) 1920 x 1080 3840 x 2160
Dimensions:
Height 193.59 mm (7.62 in) 194.40 mm (7.65 in)
Width 344.16 mm (13.55 in) 345.60 mm (13.61 in)
Diagonal 396.24 mm (15.6 in) 396.24 mm (15.6 in)
Pixel pitch 0.179 x 0.179 mm 0.089 x 0.089 mm
Refresh rate 60 Hz
Operating angle 0 degree (closed) to 140 degrees
Controls Brightness can be controlled using shortcut keys