Model Name		OLSK Series
		5540AS	6540AS	7540AS	8640AS	9840AS
Display	Size	55”	65”	75”	86”	98”
	Display information (W) x (H) x(D) mm	1253.4 x 725.3 x62.7	1482.7 x 857.5 x 91.8	1704.6 x 985.2 x 91.8	1950.8x1124.3 x91.8	2215.2x1277.9 x95.7
	Display Area (W) x (H) mm	1207.6x678.4	1428.0x803.0	1649.0x927.1	1895.0x1066.1	2158.8x1214.4
	Resolution	3840x2160UHD
	Viewing Angle	178°(H) / 178°(V)
	Brightness	400 cd/m2
	Contract	3500:1				4000:1
	Aspect ratio	16:9
	Display colors	16.7M				10bit, 1.07B
	Response time	6ms
	Life span	50,000~60,000 hour
Touch	Method	Infrared Ray
	Touch Point	20 point
	Touch Object	Finger, Pen, Object
Speaker	Frequency	8Ώ
	Frequency	80~18K Hz
	Output SPL	88±3dB
	Max Power output	5W x 2				10W x 2
Player	Media player	None
Network	Network access	None
Interface	Internal interface	HDMI-in, VGA-in, AV-in x 1, USB x 1, Touch USB x 1, Earphone				HDMI-in, VGA-in, AV-in x 1, Touch USB x 1, StereoJack
	External interface	HDMI-in, USB for Touch, Power, Switch
	Option	OPS PC( Open Pluggable specification)
Power	Power supply	100~240 V/AC, 50/60Hz
	Max consumption	150W		300W	350W	580W
Enclosure	Shell material	Aluminum profile and metal plate
	Color	Powder coating color black
	Glass	Tempered safety glass thickness 4mm
	Mouting Bracket	400*400		800*800		1000*400
	Customized logo	Optional
Enviroment	Operating temperature	0°C ~ +40°C
	Working humidity	10%RH ~ 80%RH
	Storage temperature	-20°C ~ +60°C
	Storage humidity	No condensation