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Cheap Price 55 65 75 86 100 Inch Interactive TV LCD Display Smart Board 20 Points Infrared Touch Screen Whiteboard for Education1
Demonstrational Teaching UtensilInteractive Whiteboard for EducationInteractive TV
Hongxi Technology (Guangzhou) Co., Ltd.
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Product Description Display Performance ParametersProduct numberCV-S-55Backlight typeDLEDDimensions (L×H×W)L1277.6xH772xW88.8Packaging size (L×H×W)L1395xH910xW190Bare metal net weight (KG)27Gross weight of the whole machine (KG)38Backlight life50000HourDisplay size (mm)1210x681physical resolution4K(3840 x 2160)Overall peak brightness280cdDynamic Contrast5000:1viewing angleH/V:178/178°screen ratio16:9display color10Bit, 16.7Mrefresh rate60HZDisplay Protection4mm Fully tempered high explosion-proof glassTouch Parametertouch-embeddedBuilt-in integrated, non-externaltouch sensing technologyInfrared induction recognition touch technology (20 points)notationFingers, stylus or other non-transparent objects not less than 5mm in diameter (multi-point 8mm)Cursor speed120 points/spositioning accuracyMore than 90% of the touch area is ±2mmtouch resolution32767*32767number of touchesTheoretical infinite timescomputer responseSystem automatic identification; ≤15msdriverFree driveThe electrical performance of the whole machinepower inputAC 180-240V 50/60HzMachine power consumption120W Speaker powerStereo hybrid dual-channel CLASS-D amplifier output, rated power: 2x10W(L+R / 8Ω) of THD+N≤10%@1KHz (Audio Input: 0.5VRMS)
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