Description
Dahua LCH75-MC410-B Smart Interactive Whiteboard 75 Inches - 4K Display, Android and Windows Support, Multiple Devices Wireless Sharing, Network Support Touchscreen Monitor
Key Features
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Built-in System
- Operating System of External Module: Android 9.0
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CPU
- Type: Quad-core A55
- Frequency: 1.9 GHz
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GPU
- Type: Mali-G31 MP2
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Memory
- RAM: 4 GB
- ROM: 32 GB
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Function
- Applicable Operating Systems: Windows 7/8/10; Android
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WiFi
- Dual-band: 2.4 GHz/5 GHz
- Wi-Fi Hotspot: Dual-band 2.4 GHz/5 GHz; supports enabling hotspot and Wi-Fi at the same time
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LCD Panel
- Panel Dimensions: 55-inch; 65-inch; 75-inch; 86-inch
- Backlight: DLED
- Aspect Ratio: 16:9
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Brightness:
- 55-inch: 300 cd/m²
- 65-inch: 350 cd/m²
- 75-inch: 350 cd/m²
- 86-inch: 400 cd/m²
- Resolution: 3840 (H) × 2160 (V); UI: 1920 (H) × 1080 (V)
- Viewing Angle: H: 178°; V: 178°
- Lifespan: 50,000 hours
- Refresh Rate: 60 Hz
- Static Contrast: 1200:1
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Camera
- Pixel: 5 MP
- Auto Control: Auto white balance
- Distortion: ≤ 5%
- Max. Resolution: Android: 1080p@30fps; OPS: 2560 × 1440@30fps
- Field of View: H: 84.5°; V: 54.0°; D: 93.1°
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Device Ports
- Light Sensor: 1
- Front Button: 1 × Power button (right side)
- Front Ports: 1 × USB 3.0 (left side)
- Network Port: 1 × RJ-45
- Wi-Fi: 1 × Wi-Fi; 1 × hotspot
- USB: 3 × USB 3.0; 1 × Micro USB
- RS-232: 1 × RS-232
- Video Input: 1 × HDMI IN
- Audio Output: 1 × 3.5 mm (Line out)
- Others: 1 × Touch
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Touchscreen
- Touch Technology Type: IR touch technology
- Response Time: < 10 ms
- Touch Points: 20
- Valid Touch: 2 mm
- Writing Mode: Finger + Stylus pen
- Touch Resolution: 32767 × 32767
- Number of Multi-user Writing Points: 2
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Speaker
- Power: Full frequency: 2 × 15 W
- Built-in Speaker: 2
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Microphone:
- Pick-up Distance: Far-field sound pickup: 6 m–8 m (19.69 ft–26.25 ft)
- Number of Microphones: 2
- AGC: Yes
- Echo Cancellation: Yes
- Polar Pattern: Omnidirectional
- Intelligent Noise Filtering: Yes
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General
- Power Supply: 100–240 VAC, 50 Hz/60 Hz
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Power Consumption:
- 55-inch: 200 W
- 65-inch: 250 W
- 75-inch: 300 W
- 86-inch: 400 W
- Operating Temperature: 0 °C to +40 °C (32 °F to +104 °F)
- Storage Temperature: –10 °C to +50 °C (–14 °F to +122 °F)
- Operating Humidity: 10%–90% (RH)
- Storage Humidity: 10%–90% (RH)
- Product Material: Metal casing
- Protective Glass: Anti-dazzle tempered glass with a hardness of 7 on the Mohs scale
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Installation: Wall mount, mobile bracket
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Standby Power Consumption: 0.5 W
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Packing List:
- Smart interactive whiteboard 1
- Power cord 3
- Stylus pen 2
- Quick start guide 1
- Wall mount bracket (already installed on the whiteboard) 1
- Accessory package 1