Hivision 75-inch 4K Interactive Flat Panel W/ Camera and Microphone array (DS-D5B75RB/D) -2Y
TVH-D5B75RB/D
-Ultra HD display with up to 3840 × 2160 resolution of input signal available.
-20px ultra fine writing, and 2 mm diameter recognizable with the precision of 1 mm.
-Built-in Wi-Fi realizes miracasting without any cable connection.
-Built-in interactive whiteboard system allows annotating and sharing by QR code.
-Looping-out display available.
-Various audio and video interfaces for device access.
-Built-in network switch chip saves a network switch.
-Built-in Android system provides kinds of applications.
-Compatible with OPS/OPS-C devices, realizing smooth switch between built-in systems.
-Ultra-thin design with aluminum profile frame
*Display
-Screen Size: 75 inch LED Backlight
-Backlight: DLED
-Pixel Pitch: 0.143 (H) × 0.430 (V) mm
-Resolution: 3840 × 2160@60 Hz
-Brightness: 350 cd/m²
-Color Depth: 10 bit
-Contrast Ratio: 4000 : 1 (Typ.)
-Response Time: 6 ms
-Color Gamut: 90% NTSC (CIE1931) (Typ.)
-Refresh Rate: 60 Hz
*Built-in System
-Operation System: Android 11
-Processor: A72*2 + A53*4, 1.8 GHz
-Memory: 4 GB
-Built-in Storage: 64 GB
-NIC: Built-in1000 Mbps NIC, supporting routing; IEEE 802.11 a/b/g/n/ac with 2 × 2 MIMO, supporting both 2.4 GHz and 5GHz bands
*Touch
-Type: Infrared touch screen
-Glass: AG smooth glass
-Touch PointMax: 45 point multi-touch
-Touch Response Time: ＜ 10 ms
-Touch Precision: ± 1 mm (≥ 90% touching area)
*Internal Function
-Loudspeaker: Built-in 2 × 16 W loudspeaker
-Bluetooth: Built-in BLE (Bluetooth Low Energy) module supports Bluetooth 5.0 and previous version
*Camera
-Pixel: 8 MP
-Camera Function: Smart switch between Android system and OPS
-Field Angle: 120°(diagonal), 110°(horizontal), 66°(vertical)
-Distortion: ≤6%
-Camera Resolution Ratio: Up to 4K
*Lifespan: 50000 hours
*Microphone
-Voice Distance; 8 m
-Sampling Rate: 32 K
-Mic Sampling Rate: 16 bit
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