Screen Parameter Screen Brand: LG
Screen Size: 42”
Resolution: 1920*1080 /60HZ
Screen Aspect Ratio: 16:9
Response time(ms): 5ms
Contrast Ratio: 4500:1
Brightness: 400cd/m2
Viewing Angle: 178°/178°(H/V)
Touch Handwrite System Touch Recognition Principle: Infrared Optics
Touch Life: Single Touch>10 million times
Minimum recognition point diameter: 4mm×4mm
Transmittance:>94%
Response Speed:≦5ms
Touch Points: 1 points
Surface Hardness: Mohs Hardness Grade 7
Host Configuration CPU: Intel® Core I3 3220/Dual-core/Main Frequency: 3.3GHz
Hard drive: S-ATAII 500GB
Internal Memory: DDR3, 4GB
Motherboard Chip: Intel H61
Display Chip: Integrated Intel HD Graphics Family
Sound Chip: Integrated Realtek ALC889 8 Channel Sound Chip
NICs: onboard Realtek RTL8111E gigabit NIC
Keyboard & Mouse: Wireless Kit
Speaker: 2*10W
PC I/O interface 4* USB, 1 * RJ45, 1 * earphone, 1 * Microphone, 1*VGA,1*HDMI
TV Function TV SYSTEMS: PAL/SECAM/NTSC
Interface: 1*USB, 1*R