The DS-D5C75RB/B2L is a 75-inch 4K Interactive Display designed for modern classrooms, conference rooms, and collaborative workspaces. Featuring a 4K UHD VA display with DLED backlighting, 540 cd/m² brightness, zero-lamination anti-glare and anti-fingerprint glass, and 50-point infrared multi-touch technology, it delivers an immersive and responsive interactive experience.
Product Specifications
General
Model Number DS-D5C75RB/B2L
Product Type 75-inch 4K Interactive Display
Display
Screen Size 75 inch
Backlight DLED
Pixel Pitch 0.143 (H) × 0.429 (V) mm
Resolution 3840 × 2160 @60 Hz (4K UHD)
Brightness 540 cd/m² (Typ.)
Color Depth 10 bit (8 bit + FRC)
Display Color 1.07 Billion Colors
Response Time 5 ms
Panel Type VA
Contrast Ratio 5000:1 (Static) | 30,000:1 (Dynamic)
Color Gamut 72% NTSC (CIE1931) (Typ.)
Refresh Rate 60 Hz
Viewing Angle 178° (H) / 178° (V)
Aspect Ratio 16:9
Surface Hardness 9H (Pencil) | 7 (Mohs)
Surface Glass Anti-Glare & Anti-Fingerprint Glass
Surface Haze 25% Haze
Glass Bonding Method Zero Lamination
Display Area 1650.24 (H) × 928.26 (V) mm
Working Duration 7 × 16 H
Transmittance 88% ± 3
Lifespan 50,000 hours
Touch
Touch Type Infrared Touch Screen
Touch Points 50-point Multi-touch
Touch Response Time < 2 ms
Minimum Touch Object ≥ 1.5 mm (≥ 90% touching area)
Touch Precision ± 0.5 mm (≥ 90% touching area)
Touch Resolution 32768 × 32768
Built-in System
Operating System Android 16.0
Memory 8 GB (Optional 16 GB)
Virtual RAM Up to 16 GB
Built-in Storage 128 GB
Processor Quad-core Cortex-A76 × 4 (2.4 GHz) and Quad-core Cortex-A55 × 4 (1.8 GHz)
Graphics (GPU) Mali-G610 MC4
HDCP Version Supports HDCP 2.3 / 2.0 / 1.4
Camera
Camera Resolution 48 MP for Photos & 8 MP for Video
Camera Function Intelligent Switching Between Android, OPS, and External PC Systems
Field of View 93.4° (Diagonal), 84.5° (Horizontal), 54.1° (Vertical)
Distortion ≤ 2.5%
Camera Resolution Ratio Up to 4K
Microphone
Microphone Specification Omni-directional 8-array Layout
Microphone Functions Echo Reduction and Smart Noise Cancellation
Voice Pickup Distance 12 m
Sampling Rate 32 K
Microphone Bit Depth 16 bit
AI & Smart Features
AI Functions AI Assistant, AI Identify, and AI Notes
AI Service Validity Free for 1 Year
AI Notes Allowance 6,000 Minutes (1-Year Validity Period)
Built-in Whiteboard Supports Handwriting Recognition, Graphics Recognition, Document Insertion, and More
Screen Casting Built-in WonderCast Software
Simultaneous Screen Casting Supports Up to 9 Devices Simultaneously
Internal Functions
Built-in Speakers 2 × 20 W + 25 W Loudspeaker
Bluetooth Built-in BLE (Bluetooth Low Energy), Bluetooth 5.4
NFC Supports Card Reader, 13.56 MHz (ISO 14443A / ISO 14443B / ISO 15693)
Light Sensor Yes
Video & Audio Interfaces
HDMI Input 3 × HDMI 2.1 TMDS (Front × 1, Rear × 2)
HDMI Input Features Supports HDCP 2.3 / 2.0 / 1.4 and HDMI CEC Protocol
VGA Input 1 × VGA (Rear)
Audio Input 1 × Audio In (Rear)
HDMI Output 1 × HDMI 2.1 TMDS (Rear)
Audio Output 1 × Audio Out (Rear)
SPDIF Output 1 × SPDIF (Rear)
Control Interfaces
Front Touch USB 1 × TOUCH-USB 3.0 (Front)
Rear Touch USB 2 × TOUCH-USB 2.0 (Rear)
RS232 1 × RS232 (Rear)
Network & Connectivity
LAN 2 × LAN (1000 Mbps) (Rear)
Wi-Fi Wi-Fi 6, IEEE 802.11 a/b/g/n/ac/ax
Wi-Fi Frequency 2.4 GHz / 5 GHz
Wi-Fi Mode Wi-Fi AP & Station
Wi-Fi Technology 2 × 2 MIMO
Wi-Fi Authentication WEP, WPA, WPA2, PSK, 802.1X EAP
Data Transmission Interfaces
USB 3.0 4 × USB 3.0 (Front × 2, Rear × 2)
USB 2.0 1 × USB 2.0 (Rear)
USB Type-C 2 × Type-C (Front × 1, Rear × 1)
USB Type-C Features Supports USB 2.0, 100 W Charging, and DP IN 1.2
Power
Power Supply 100 to 240 VAC, 50/60 Hz
Standby Consumption ≤ 0.5 W
Average Consumption < 237 W
Working Environment
Working Temperature 0°C to 40°C (32°F to 104°F)
Working Humidity 10%–90% RH
Dimensions & Physical Specifications
VESA Mounting 800 mm × 400 mm (4 × M8-25 mm)
Product Dimensions (With Wall Attachment) 1713.2 × 1034.5 × 106.5 mm
Product Dimensions (Without Wall Attachment) 1713.2 × 1034.5 × 82.5 mm
Package Dimensions 1907.0 × 1160.0 × 223.0 mm (W × H × D)
Net Weight 45.9 ± 0.5 kg
Gross Weight 63.1 ± 0.5 kg
Accessories
Included Accessories Wall Mount Bracket, Hook, User Manual, Touch Writing Pen, Packing List, 3 m Touch USB Cable, 3.5 m HDMI Cable (2.0), Power Cable, Remote Control, Screen Cleaning Cloth
Warranty
Warranty Period 3 Years
(incl. 7% convenience fee)
