LCD TV touchscreen display

1. Technology Requirement of Hardware: 1) Display Size: ≥75 inches LED LCD screen. 2) Writing Technology: Infrared induction technology, min. 10-points touch. No need of special pen, writing by fingers or any other opaque object directly on the surface. 3) ★Support HID drive-free technology: Under Windows system, completely compatible to Windows multipoint protocol, point while touch, no interferes on each other. 4) ★Detachable touch screen: The touch frame with detachable button design, disassemble from front, no need to dissemble any screws or protection angles during maintenance. 5) Response speed: 1st point≤8ms,continious writing≤3ms,positioning accuracy≤1mm 6) Display scale: 16:9 7) Resolution: 1920x1080 (full HD) 8) Brightness: ≥450 9) Contrast: 2000:1 10) Visual angle: ≥178° 11) Sound output power: 2*15W 12) Video formats: PAL/SECAM 13) Front interface: 6-path USB (of which PC USB*4, USB touch*1、TV USB*1)，VGA input*1，AUDIO input*1，MIC input*1，HDMI input*1. 14) Input port: 2-path AV (VIDEO+R+L), 1-path RF, 2 HDMI, 1-path VGA/audio 15) Output port: 1-path AV/audio， 1-path TV stereo audio output， 2-path USB power supply：AC100-240V 50/60 Hz 16) Peripheral interface: 4 USB 2.0 port, 1 audio line input, 1 audio line output, 1 net interface, HDMI output 17) Power supply requirement AC220V±15% 50/60HZ ultra-low power consumption: 80 W. 18) PC configuration requirement With modularization design of computer, when the computer has malfunctions, the computer can be maintenance by plug type. To guarantee the compatibility, the computer module adopts to standard OPS-C structure, connection through standard 80-core OPS port with other devices. Port: 2-path USB2.0、2-path USB 3.0、1-path RJ45 network port, 1-path HDMI, 1-path LINE output, 1-path MIC input, support wifi. ★Machine appearance: Aluminum alloy front housing, circular arc safe plastic corner, light and thin design, thickness of the whole machine 29.7mm, thickness of computer position 67.7mm (th

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