Dahua LPH75 75" UHD Smart Interactive Whiteboard

Features

• Displays in 4K Ultra HD and uses 4K UI


• Features split screen and performs screen sharing between the whiteboard and phones, computers, tablets, and more devices


• 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, fast writing response speed, and pen pressure recognition for a real writing experience


• Intelligent text


• Intelligent pen detection that automatically wakes up the whiteboard for annotations when the pen is lifted; built-in 48M camera and 8-array microphone design


• Features sound source positioning


• Offers NFC


• Includes a full-featured Type-C IN port and supports charging through USB PD up to 100 W


• With its 2 built-in mid-high frequency speakers and 2 low-frequency speakers, the device emits sound from its top and supports 2.2-channel audio output


• Produces vibrant visuals through its high color coverage, low blue light emission, and accurate color reproduction


• Optional OPS module, dual-system switchable

Specifications

Built-in System

• Main Processor: RK3588


• Operating System: Android 15


• CPU: Quad-core A76 + Quad-core A55


• CPU Frequency: 2.4 GHz


• GPU: Mali-G610 MP4


• RAM: 8 GB


• ROM: 128 GB

General

• Operating System of External Module: Windows 7/8/10/11


• Power Supply: 100–240 VAC, 50/60 Hz, 5.5 A


• Power Consumption: 260 W (typ.); 550 W (max.)


• Standby Power Consumption: ≤0.5 W


• 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


• Storage Humidity: 10%–90% RH


• Product Material: Metal


• Glass: 3.2 mm anti-glare tempered glass


• Casing Color (Frame/Rear): Black


• Product Dimensions: 1,709.4 mm × 1,038.9 mm × 85.4 mm (67.30" × 40.90" × 3.36")


• Frame Size: U: 33.3 mm, L/R: 14.6 mm, D: 43.0 mm (U: 2.42", L/R: 0.69", D: 1.11")


• Packaging Dimensions: 1,863.0 mm × 225.0 mm × 1,163.0 mm (73.35" × 8.86" × 45.79") (L × W × H)


• Net Weight: 51.05 kg (112.55 lb)


• Gross Weight: 64.00 kg (141.10 lb)


• Holes Distance: 800 mm × 400 mm (31.50" × 15.75")


• Installation: Wall mount or mobile bracket

Packing List

• Power cord × 1


• Smart interactive whiteboard × 1


• Stylus pen × 2


• Wall mount bracket × 1


• Remote control × 1


• Pack of wall mount screws × 1


• Wireless plug-in module × 1


• Quick start guide × 1


• Legal and regulatory information × 1

LCD Panel

• Screen Size: 75 inch


• Backlight: DLED


• Aspect Ratio: 16:9


• Brightness: 400 cd/m² (typ.)


• Static Contrast Ratio: VA: 5000:1 (typ.); IPS: 1200:1 (typ.)


• Resolution: 3,840 (H) × 2,160 (V)


• Viewing Angle: 178° (H) / 178° (V)


• Lifespan: ≥50,000 hrs


• Display Color: 1.07 Billion (10 bits)


• Color Gamut: 90% NTSC


• Response Time: 6.5 ms


• Refresh Rate: 60 Hz

Camera

• Android: Photo: 48 MP; Video: 8 MP


• Windows: Photo: 8 MP; Video: 8 MP


• Field of View: H: 98°; D: 106°

Device Ports

• Light Sensor: Yes


• Front Button: 6 buttons (Power supply, menu, signal source, curtain, volume, annotation)


• Front Ports:
  
  
  
  • 2 × USB 3.2 Gen1 Type-A
  
  
  • 1 × HDMI IN
  
  
  • 1 × USB Type-C IN (100 W fast charge, data transmission, LAN)
  
  
  • 1 × Touch USB 2.0 Type-B
  
  
  
  


• Rear Ports:
  
  
  
  • 3 × HDMI IN (4K@60 Hz)
  
  
  • 1 × HDMI OUT (4K@60 Hz)
  
  
  • 1 × DP IN
  
  
  • 1 × USB 2.0 Type-A
  
  
  • 2 × USB 3.2 Gen1 Type-A
  
  
  • 1 × USB Type-C IN (15 W max charge, audio/video/data/network)
  
  
  • 1 × USB Type-C OUT (4K@60 Hz)
  
  
  • 2 × TOUCH USB 2.0 Type-B (touch + 100 Mbps network sharing)
  
  
  • 1 × AUDIO IN (3.5 mm)
  
  
  • 1 × AUDIO OUT (3.5 mm)
  
  
  • 1 × SPDIF
  
  
  • 1 × RS232
  
  
  • 1 × RJ45 IN (10/100/1,000 Mbps)
  
  
  • 1 × RJ45 OUT (10/100/1,000 Mbps)
  
  
  
  

Wireless

• Wi-Fi: Yes


• Wi-Fi Standard: 802.11b/g/n/a/ac/ax (Station); 802.11b/g/n/a/ac (AP)


• Wi-Fi Frequency Range:
  
  
  
  • 2400–2483.5 MHz
  
  
  • 5150–5250 MHz
  
  
  • 5250–5350 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: BT5.2 BR/EDR/BLE


• Bluetooth Frequency Range: ≤20 dBm @ 2400–2483.5 MHz


• MAX Power Transmission (Bluetooth): ≤20 dBm


• RFID Modulation Method: ASK


• RFID Frequency Range: 13.56 MHz


• MAX Power Transmission (RFID): 13.56 MHz: ≤42 dBuA/m @ 10 m

Function

• IR Receiver: 1


• Card Swiping with NFC: Yes


• Wireless Access Point: Wi-Fi 5, 2.4 GHz & 5 GHz dual band, 802.11 ac/n

Touchscreen

• Response Time: ≤2.0 ms


• Touch Technology: Infrared


• Attachment Method: Zero Air Gap


• Touch Points: Android: 32 points; Windows: 50 points


• Touch Accuracy: ±0.5 mm (≥90% touching area)


• Valid Touch: ≥1.5 mm (0.06") (≥90% touching area)


• Touch Height: ≤0.99 mm (average)


• Writing Mode: Finger and stylus pen (magnetic)


• Communication Mode: USB


• Anti-light Interference: Anti-glare tempered glass


• Surface Hardness: ≥9H


• Touch Resolution: 32,768 × 32,768

Speaker

• Built-in Speaker: 4 (CH2.2)


• Power: 2 × 8 W + 2 × 18 W


• Frequency: 150 Hz–20 kHz

Microphone

• Microphone: 8


• Pick-up Distance: 0 m–12 m (0 ft–39.37 ft)


• AGC: Yes


• Echo Cancellation: Yes


• Intelligent Noise Filtering: Yes

Certification

• Certifications: CE, EDLA, Energy Star