The Samsung 320TSn-2 32" LCD Touch Screen display is a simple, integrated solution featuring fast and accurate touch-sensitive infrared (IR) technology. Contrast Ratio: 4000:1 (typical)/DC 40000:1 Response Time: 8ms Brightness: 400cd/m2 Display Resolution: 1366x768 Viewing Angle: 158/158 Input: VGA/DVI/PC/CVBS/HDMI Bezel Color: Black Pixel Pitch: 0.511(H) x 0.511(W) Special Features: Infrared Touch Technology, Anti-image retention; Video Wall Processor; Content Management Software: MagicInfo PRO i; Temperature Sensor; RS232C; Built-In Speakers; Built-In PC; [Operating System: Win XPe, CPU: Athlon X2 Dual-Core 4450e (2.3GHz), Memory ( Flash / RAM ): 4GB / 1 GB, Network: Marvell 88E8055 Gigabit LAN, 3 USB, 1 VGA out].