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82 Inch Optical Whiteboard Parameter

◇◇Technical Parameters1、Board facing angle: ≥82 inches, display ratio 4:3;2、Touch sensing method: optical image sensing technology is a touch fra

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Hengsheng HS6800 Full HD Document Camera

Features                        &nb

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4K Central Controller HS-350D

Product details1.You can add, subtract, mute the output sound,with sound switching and volume control function, 2. HDMI:3 in 2 out,VGA:3 in 2 out

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