Liquid crystal panel	Panel size	75"
	Screen type	LED   backlight LCD screen
	Resolution	3840×2160
	Display size	1649.664mm(W)×927.936mm(H)
	Contrast ratio	4000:1
	Brightness	430cd/m2
	Visual angle (right / right / up and down)	178°/178°
	Response time	5.5ms
	Lamp Lifetime	50000hour
	Working temperature	0°C~50°C
	Moderate work	20%~85%
Touch   screen	Touch   mode	Infrared   ten point touch
	Interface type	USB
	Resolving power	16384(W)×16384(D)
	Touch mode	An   opaque object, such as a finger, a touch pen, etc.
	response speed	<20ms
	Glass	6mm   tempered glass, MOS 7 stage riot
	The number of theoretical clicks	Countless   times
	Minimum click object	5mm
	Touch unit	No   tool dismantling touch module
Computer   configuration      (can be selected according to   requirements)	Computer   module	Ultra   thin and pluggable modular computer
	Main board	H81   industrial motherboard
	CPU	Intel   Core I3
	Memory	KingstonDDR3   1333 4G
	Hard disk	500G   2.5" SATA Interface
	Graphics	integrated   graphics
	System	Microsoft   Windows WIN7 series
Android   configuration	CPU	MSD6A818   Main frequency four core 1.2G HZ
	Memory	DDR3   1G
	Built-in memory	INAND   4G
	Operating system	Android   4.2
	External storage	Extending   USB or SD card
Connection   interface	Input	HDMI(External)×2，HDMI(Built-in)×1，VGA×1，VGA   Audio×1，AV×2，YPbPr×1，
		TV×1，USB2.0×2，USB3.0×1，External touch   screenUSB2.0×1，SDcard×1，RJ45Net export×1
	Output	VGA×1，AV×1，Optical   soldering output×1，RCA×1
	Prefacing	USB(PC)×2
	External control	RS232
Voice	Stereoscopic   surround sound	SRS   TruSurround HD
	Sound output	2×12W
Mechanical   specifications	Whole   machine size (long x width * thick)	1547×936×93mm
	Packaging size      (long x width * thick)	1734×1209×190mm
	Wall mounting size      (long x width)	400×300mm
	Net weight (bare metal)	63KG
	Gross weight (packing)	67KG
Power   Supply	Voltage	AC100V～240V   (+/- 10 %)，50/60Hz
	Power consumption (standby)	≤   1W
	Power consumption (typical value)	≤   320W
Random   parts	Main   accessories	User   manuals, warranty cards, certificates, power lines, remote controls,   batteries, whiteboard CDs, touch pens, wall hangings.
	Optional Accessories	Ground   support, wireless mouse