Brightness: 500cd/m2 Response time: 5ms Touch screen resolution: 4, 096*4, 096p Image resolution: 480p/720p/1080p Multi points touch screen: 2 points/4 points/6 points Operating systems: support windows8/ windows 7/ windows xp/ windows 2, 000 / linux unix Scanning system: pal, ntsc/secam(option) Sound system: bg, dk, i (m/n, l, l option) Channel storage: 200 Usb interface: support avi, mp4, ts, trp, mkv, mov, mpg, rm, rmbv, dat, vob, mp3, wma, aac, m4a, jpg, jpeg, bmp and png (mpeg-2, mpeg-4 h.264) High definition: support 480i, 480p, 720i, 720p Cpu: intel core i7/i52300/i32100/g645/celeron cpu 1155-pin Memory: ddr3 1333mhz 2g/4g/8g Hard disk: sata 320g (option 500g/ 1tb/1.5t and more) Interface: hdmi¡¨¢1, vga¡¨¢1, usb¡¨¢4, rj¡¨¢1, pcaudio¡¨¢1, mic¡¨¢1 Tempered glass: gb/t thickness: 4mm Language: support multinational languages Power input range: ac 110-240v 50 /60hz Max consumption power: ¡¨¹130w Standby: