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55'' touch screen 

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Model	IE-5500
Size/Screen area	55"/1345(H)mm ×818(H)mm
Activedisplay area	1209(H)mm ×680(V)mm
Resolution	1920(H) x 1080(H)
Contrast	5000:01:00
Brightness	470~590cd/m2
Scanning rates	H:30-80KHZ V:56-75HZ
Viewing angle	H178°: V 178°
SENSOR/TOUCH PARAMETERS
Reaction mode	Infrared
Transmittance	100%
Touch accuracy	4096x 4096
Response time	≤11ms
Response speed	First touch: 25ms, Continuous: 8ms
Cursor speed	120/s
Location accuracy	3mm
TV PARAMETERS
Receiving mode	PAL(I/BG/DK);NTSC(M/BG4.43);SECAM(BG/DK)
Audio system	D/K,B/G,I,MN
Video signal	480i/480p(60HZ), 576i/576p(50HZ), 720P(50/60HZ),1080i(50/60HZ), 1080P(24/50/60HZ)
RGB	DOS/VGA/SVGA/XGA/SXGA/WUXGA
Storage channels	200 channels
Input Interface
Audio/Video	2ways AV IN(Video+R+L) CVBS 1.0Vp-p+/-5%
TV high-frequency signal	1way RF IEC head
TV High-definition signal	2ways HDMI
VGA Video	1way VGA IN+Stereo audio input,1way PC IN+Stereo audio input
DATA CONNECTORS
USB(master)	4
LAN	1
Wifi	Built-in
OTHER
Power consumption	220W
Dimensions	1366.8×826×158.9(mm)
Net weight	53KG
Operation system	Windows XP(Dual-Core 1.6G) and IEBOARD interactive board software
Working temperature	0°C~50°C
Working humidity	10%~90%
Storage temperature	-20°C~60°C

touch screen,LCD screen,infrared technology,no projector,interactive board,smart board,meeting presentation