DAHUA MONITOR INTERATTIVO 75 inch LCH75-MC410-B-S2
> Displays in 4K Ultra HD and uses 4K UI.
> With its 2 built-in mid-high frequency speakers, the device supports 2.0-channel audio output, and its total power is 30 W.
> Microsoft Office and other related software can be installed, and it can play audio and video files in various formats.
> Offers a smooth writing experience through handwriting recognition, pen writing, its fast writing response speed, and pen pressure recognition.
> Support AI recognition of text and drawings.
> Built-in 8 array microphone and AI 48M camera , produces high-quality visuals and audio communication.
> Seamlessly calls the camera and microphone of the whiteboard through its Type-C IN port and screen projector.
Specifications
Operating System Android 14
CPU Quad-core A55
CPU Frequency 1.9 GHz
GPU ARM Mali-G52 MP2 (2EE)
RAM 8 GB
ROM 64 GB
NFC No
Function
Operating System of External Module Windows 7/8/10/11
Wi-Fi Hotspot Dual-band 2.4 G/5 G; Supports enabling hotspot and Wi-Fi at the same time
LCD Panel
Screen Size 75 inch
Backlight DLED
Aspect Ratio 16:9
Brightness 350 cd/m² (typ.)
Resolution 3840 × 2160
Viewing Angle H: 178°; V: 178°
Lifespan ≥50, 000 hrs
Display Color ≥72% NTSC
Refresh Rate 60 Hz
Static Contrast Ratio IPS: 1200 (typ.)
Response Time ≤8 ms (typ.)
Camera
Camera Android: Photo: 48 MP; Video: 4 MP / Windows: Photo: 4 MP; Video: 4 MP
Auto Control Auto white balance
Distortion ≤5%
Max. Resolution 2560 × 1440@30 fps
Field of View D: 88°, H: 79°, V: 51°
Face Detection No
Device Ports
Light Sensor 1
Front Button 1 × power button
Front Ports 1 × USB 2.0
Network P 1xRJ45
Wi-Fi Yes, 1 × Station, 1 × AP
Wi-Fi Standard Station: 802.11b/g/n/a/ac/ax / AP: 802.11b/g/n/a/ac/ax
Wi-Fi Frequency Range 2400–2483.5 MHz, 5150–5350 MHz, 5470–5725 MHz, 5725–5850 MHz
MAX Power Transmission (Wi-Fi) ≤20 dBm@2400–2483.5 MHz; ≤23 dBm@5150–5250 MHz; ≤20 dBm@5250–5350 MHz; ≤27 dBm@5470–5725 MHz; ≤14 dBm@5725–5850 MHz
Bluetooth Yes
Bluetooth Standard BR/EDR/BLE, BT5.2
Bluetooth Frequency Range 2400–2483.5 MHz
MAX Power Transmission (Bluetooth) ≤20 dBm@2400–2483.5 MHz
USB 1 × USB 3.2 Gen1 Type-A; 2 × USB 2.0 Type-A; 1 × Micro USB 2.0
RS-232 1 × DB9 male connector
Video Input 2 × HDMI 2.0 (4K@60 Hz)
Audio Output 1 × 3.5 mm Line Out port
Others
1× Touch port
IrDA
1
Microphone
8 arrays
Type-C Port
1 × USB 2.0 device + 5 W charging
Touchscreen
Response Time
≤5 ms
Touch Technology
Infrared
Touch Points
Android: 32 points, Windows: 40 points
Valid Touch
2 mm (0.1") (over 90% touch area)
Writing Mode
Finger + Pen (attaches magnetically)
Anti-light Interference
Anti-dazzle tempered glass
Surface Hardness
≥9H
Touch Resolution
32767 × 32767
Number of Multi-user Writing Points
5 points 3mm (over 90% touch area)
Speaker
Number of Cavities
2
Frequency
150 Hz–20 kHz
Power
2.0 sound channel, front-end: 2 × 15 W
Built-in Speaker
2
Microphone
Pick-up Distance
Long-range sound pickup: 8 m–12 m (26.25 ft–39.37 ft)
Number of Microphones
8 arrays
AGC
Yes
Echo Cancellation
Yes
Polar Pattern
Omnidirectional
Intelligent Noise Filtering
YES
General
Power Supply
100–240 VAC, 50/60 Hz
Power Consumption
141.5W (basic), 270 W (max)
Operating Temperature
0 °C to +40 °C (+32 °F to +104 °F)
Storage Temperature
–20 °C to +60 °C (–4 °F to +140 °F)
Operating Humidity
10%–90% (RH), non-condensing
Storage Humidity
10%–90% (RH), non-condensing
Product Material
Metal casing
Protective Glass
3.2 mm Anti-dazzle tempered glass
Casing Color (Frame/Rear)
The left and right sides are black, and the top and bottom are starry gray
Product Dimensions
1,707.6 mm × 115.7 mm × 1,038.5 mm (67.2" × 4.6" × 40.9") (L × W × H)
Frame Size
Top border: 35.3 mm (1.4"), left and right borders: 17.5 mm (0.69"), bottom border: 40 mm (1.6")
Packaging Dimensions
1,875 mm × 227 mm × 1,177 mm (73.82" × 8.94" × 46.34") (L × W × H)
Net Weight
50 kg (110.2 lb)
Gross Weight
58.4 kg (128.8 lb)
Holes Distance
600 mm × 400 mm (23.62" × 15.75")
Installation
Wall mount; mobile bracket
Standby Power Consumption
≤0.5 W
Packing List
1 × Smart interactive whiteboard
1 × Wireless plug-in module
1 × Power cord
2 × Stylus pen
1 × Quick start guide
1 × Legal and regulatory information
1 × Wall mount bracket
1 × Accessory package
1 × Remote control