JCVISION Conference Interactive White Board 3840 × 2160 UHD 75 Inch 4K 178 Visual Angle

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Shenzhen Junction Interactive Technology Co., Ltd.

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JCVISION 4K 178° Visual Angle White Class Teaching, Conference Using Interactive White Board 3840 × 2160 UHD 75 Inch

LCD Panel
Size	75inch
Panel Brand	LG,BOE(gauge A screen)
type	TFT-LCD S-PVA
Resolution	3840 × 2160 (UHD) @60hz
Brightness	450cd/m²
Ratio contrast	2000:01:00
Visual Angle (horizontal/vertical)	178°/178°
Response time	8ms
Visual area(mm)	1895(W)×1066(H) mm
Color gamut (NTSC)	72%
Backlight	WLED
display scale	16:09
Response time	<8ms
life	>60000H
Infrared touch characteristic
Touch the specifications	Infrared touch frame
glass	4mm tempered glass
Glass transmittance	> 88% (higher transmittance depends on glass surface treatment technology such as AR/AG)
Object induction number (IR)	Touch at 20
Number of infrared induction lines (W D)	32767 × 32767
Positional accuracy	More than 90% of the touch area is 2mm
The interface definition	USB 2.0(Full speed)
Touch the strength	Zero pressure touch
The light resistance	It has light resistance
Induction life	6 million times
The response time	<8ms
The power supply mode	Full duplex usb-powered DC +5V up to 500mA

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75 Inch Interactive White Board

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