DAHUA 55/65/75/86 INCH SMART INTERACTIVE WHITEBOARD (LCH86-MC410-B)

OVERVIEW

• 4K HD display with IR touchscreen, supporting stylus and finger input.

• Compatible with both Android and Windows (PC module required).

• Wireless screen sharing from multiple devices: phones, tablets, and computers.

• Supports Office software, video, and audio playback.

• Customizable startup channels.

• Wired and wireless network support.

• Built-in 5-MP camera for video conferencing.

BUILT-IN SYSTEM

Operating System (External Module): Android 9.0
CPU: Quad-core A55, 1.9 GHz
GPU: Mali-G31 MP2
RAM: 4 GB
ROM: 32 GB

Applicable OS: Windows 7/8/10; Android
Wi-Fi: Dual-band 2.4 GHz / 5 GHz
Wi-Fi Hotspot: Dual-band; hotspot and Wi-Fi can be enabled simultaneously

LCD PANEL

Panel Sizes: 55", 65", 75", 86"
Backlight: DLED
Aspect Ratio: 16:9
Brightness:

• 55-inch: 300 cd/m²

• 65-inch: 350 cd/m²

• 75-inch: 350 cd/m²

• 86-inch: 400 cd/m²
  Resolution: 3840 × 2160 (4K); UI: 1920 × 1080
  Viewing Angle: H: 178°; V: 178°
  Lifespan: 50,000 hours
  Refresh Rate: 60 Hz
  Static Contrast: 1200:1

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°; D: 93.1°

DEVICE PORTS

Light Sensor: 1
Front Button: 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
Video Input: 1 × HDMI IN
Audio Output: 1 × 3.5 mm Line out
Touch Input: 1
IrDA: 1
Microphones: 2

TOUCHSCREEN

Touch Technology: IR
Response Time: < 10 ms
Touch Points: 20
Valid Touch: 2 mm
Writing Mode: Finger + Stylus
Touch Resolution: 32767 × 32767
Multi-user Writing Points: 2

SPEAKER & MICROPHONE

Built-in Speaker: 2 × 15 W full frequency
Microphone Pickup Distance: 6–8 m
AGC: Yes
Echo Cancellation: Yes
Polar Pattern: Omnidirectional
Intelligent Noise Filtering: Yes

GENERAL

Power Supply: 100–240 VAC, 50 Hz/60 Hz
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
  Storage Temperature: –10 °C to +50 °C
  Operating Humidity: 10%–90% RH
  Storage Humidity: 10%–90% RH
  Product Material: Metal casing
  Protective Glass: Anti-dazzle tempered glass, hardness 7 Mohs
  Casing Color: Bottom: Silver; Top/Left/Right: Black
  Installation: Wall mount, mobile bracket
  Standby Power Consumption: 0.5 W

Dimensions (L × W × H) with camera:

• 55-inch: 1,261.4 × 80.9 × 816.6 mm

• 65-inch: 1,485.0 × 86.9 × 941.2 mm

• 75-inch: 1,707.2 × 87.1 × 1,066.4 mm

• 86-inch: 1,953.4 × 87.1 × 1,205.1 mm

Net Weight:

• 55-inch: 27.5 kg

• 65-inch: 38 kg

• 75-inch: 54 kg

• 86-inch: 64 kg

Gross Weight:

• 55-inch: 32.5 kg

• 65-inch: 46 kg

• 75-inch: 65 kg

• 86-inch: 77 kg

VESA Holes Distance:

• 55-inch: 400 × 400 mm

• 65-inch: 400 × 500 mm

• 75-inch: 400 × 600 mm

• 86-inch: 400 × 750 mm

PACKING LIST

• Smart Interactive Whiteboard ×1

• Power Cords ×3

• Stylus Pens ×2

• Quick Start Guide ×1

• Wall Mount Bracket (pre-installed) ×1

• Accessory Package ×1