79"LCD touch screen android/i3/i5 dual systerm 3840x2160(Pixels) UHD ops computor interactive whiteboard

Product Description   79"LCD touch screen android/i3/i5 dual systerm 3840x2160(Pixels) UHD ops computor interactive whiteboard
sepecification :

Item	Model		79E81
Panel	LCD Size		79"
	LCD Brand		LG
	Panel Model		LC790EQF-FGF1
	Light source		LED Backlight
	Resolution		UHD 3840x2160(Pixels)
	Brightness (typ)/(min)		430 cd/m2(typ.)
	Contrast Ratio(typ)		1400:1 (typ)
	Response Time(ms)		5ms (typ.)
	Pixel Pitch		0.453 mm x 0.453 mm
	Scan Speed		30 Hz
	View angle		178°(H) / 178°(V)
	Life Time		30,000 hrs (min.)
	Color Saturation(x% NTSC)		72%
	View area		1739.52*978.48mm
	Colors		1.06Billion(10Bit)
Touch	Touch Frame Type		10 Points IR Touch
	Tempered Glass		4mm Tempered Glass
	Glass Transmission		>88%
	Frame Material		Aluminum
	Touch Resolution		7680(W) x 4320(D)
	Minimum Touch Object		5mm
	Touch Accuracy		±2mm
	Response Time		<10ms
	Input Method		Finger or touch pen
	Theory Clicks		Unlimited
	Light resistance		Available
Android System	Solution		MSD6A818
	CPU		Quad core,cortex A7,1.2Ghz
	GPU		Mali-450
	RAM/ROM		1GB DDR3/4GB
	OS		Android 4.2.2
Interface	HDMI IN		*3
	4K*2K		*2
	VGA		*1
	PC-AUDIO		*1
	Y PB PR		*1
	LAN		*1
	AV		*1
	TV IN		*1
	TV-MIC		*1
	HDMI OUT		*1
	AV OUT		*1
	EARPHONE		*1
	COAXIAL		*1
	TV-AUDIO		*1
	RS232 Remote Control		RS232-IN*1; RS232-OUT*1
	MEDIA-USB		*2
	PC-USB		*2
	TOUCH-USB		*2
Power	Voltage		100 V ~ 240 V, 50-60 Hz
	Maximum (Watt)		<500W
	Standby (Watt)		≤0.5W
Touch Frame Electrical Characteristics	Connect type		A type male USB head+PH2.0-4P
	Communication type		USB2.0 Full speed
	Power supply		USB power
	Voltage		DC+5V±5%
	Static Level		EN 6100-4-2 2008: 3 Level, Air discharge 8KV
Environment	Working Temperature		0°C ~ 40°C
	Storage Temperature		Minus 10°C ~ 60°C
	Working Humidity		20% ~ 80% RH Non-Condensing
	Storage Humidity		10% ~ 60% RH Non-Condensing
Lanuage	OSD		English
Structure	Product Size (mm)(W x D x H)		1857.4 *75.7* 1104.5 mm
	Package Size (mm)(W x D x H)		2115 * 360 * 1400 mm(Heavy Carton)
	N.W		91.4Kg±1.5Kg
	G.W		116.4Kg±1.5Kg
	Case Material		Metal
	Case color		Black
	Frame width(T/B/L/R)		40 / 62 / 40 / 40 mm
	VESA		4-M8 Screw hole 600*400mm
	Speaker		10W * 2
Packaging / Accessories	Remote control		*1
	Power Cord		*1
	Touch Pen		*2
	Qualified certificate		*1
	Warranty card		*1
OPS PC (option)	I3	Chipset	INTEL® Haswell i3-4100M
		CPU	Dual Core, 2.50 GHz
		RAM	4G RAM (DDR3L)
		HDD	500G (West Digital)
		Graphics	Independent Graphic Card
		Wireless	WIFI 802.11b/g/n
		Interface	USB2.0 x 4; USB3.0 x 2,
		OS	Windows 10 supported.
OPS PC (option)	I5	Chipset	INTEL® Haswell i5-4200M
		CPU	Dual Core, 2.50 GHz
		RAM	4G RAM (DDR3L)
		HDD	500G (West Digital)
		Graphics	Independent Graphic Card
		Wireless	WIFI 802.11b/g/n
		Interface	USB2.0 x 4/ USB3.0 x 2
		OS	Windows 10 supported

    Packaging & Shipping   standard export carton will ship out  7-10days after received the payment   Our Services  Clientop is a professional company which have  many years experience special in producing LCD panels/drive board and PCs Our products are 100% test before shipment to make sure all in good statue  We also provide whole life technical assistance after trading FAQ   1 . About the quality  All of our product will be testing before shipping . So you can be assured the quality of our products .
However, If you found any problem after received the goods , Please feel free contact to our saleman .
We will be willing to deal with your problem at the first time .   2. About the payment Sample  order :A  Aliexpress     B  Paypal     C  Union Western 
Large  order: HSBC bank (Company account)
If you choose A,Then we will send the link of your order  for your payment   .
If you choose B or C ,Please send your shipping information (Name, address,postal code,telephone number) to me ,    
Then I will send the PI for your payment (PI include our Paypal or Union Western account).    3. About warranty and Return We will give our customer a best after-sale service , So we will offer one year warranty for most of our products and professional technical support . Please contact us if there are any problems and we will do my best to fix it out. Here is our misrepresented & unsatisfied merchandise policy.
    --   1. We accept returns for replacement or refund within 5 days after receipt of item(s). Items MUST be in their original condition, not worn or altered.
    --   2. We do not reimburse the return shipping charge. Refunds will be for the original price paid, and will be issued within 7 business days after receipt of the return.