The Dahua LPH75-ST420-S3 is a 75-inch interactive flat panel designed for collaborative environments in the GCC and Africa. It combines Android 14 with a quad-core processor, 8GB RAM, and 3840x2160 resolution for clear, responsive digital interaction.
This display integrates a 75-inch DLED panel delivering 400 cd/m² brightness and a 4000:1 static contrast ratio for legibility in varied lighting. The infrared touch technology supports 40 points on Windows and 21 points on Android, with ±1 mm accuracy. The zero air gap construction uses 4 mm anti-dazzle tempered glass and a metal casing to ensure durability in high-traffic educational or corporate settings.
Connectivity is extensive, featuring dual HDMI inputs, VGA, RS-232, and an OPS slot for flexible integration. Wireless capabilities include Wi-Fi 6 and Bluetooth 5.3, alongside NFC card swiping for secure access. The unit includes built-in 2x15W speakers and an IR receiver, supporting both wall-mount and mobile bracket installations for versatile deployment across multiple sites.
Key features
- Android 14 System - Runs on Android 14 with a quad-core A55 CPU, 8GB RAM, and 32GB ROM for smooth multitasking and app performance.
- 4K Interactive Display - Features a 75-inch panel with 3840x2160 resolution, 1.07 billion colors, and 178-degree viewing angles for clear visibility.
- Multi-Point Touch - Supports 40 touch points on Windows and 21 on Android with ±1 mm accuracy, enabling simultaneous multi-user collaboration.
- Comprehensive Ports - Includes dual HDMI IN, VGA IN, HDMI OUT, RS-232, and an OPS slot for robust wired connectivity and expansion options.
- Wireless Connectivity - Equipped with Wi-Fi 6 and Bluetooth 5.3 for stable wireless sharing, plus NFC support for secure card swiping access.
Ideal for classrooms, conference rooms, and ministry offices requiring reliable digital presentation and collaboration tools for buyers across the GCC and Africa.
Request a quote: email info@procure.ae or call +971 4 546 5041. Smart-Boards: supply and shipping across the GCC and Africa, installation in the UAE.
General
- Included cables
- Power cord, HDMI cable
- Key features
- NFC card reader, Sensors: Ambient light
Display
- Colour
- Black, silver
- Backlight
- D-LED
- Brightness
- 400 cd/m²
- Colour depth
- 10-bit (1.07 billion colours)
- Refresh rate
- 60 Hz
- Resolution
- 4K UHD
- Screen size
- 75"
- Surface protection
- Anti-dazzle tempered glass
- Viewing angle
- 178° (H) / 178° (V)
- Aspect ratio
- 16:9
- Contrast ratio
- 4,000:1 (VA); 1,200:1 (IPS)
- Response time
- 8 ms
Touch
- Touch accuracy
- ±1 mm
- Touch points
- 21-point (Android); 40-point (Windows) multi-touch
- Touch resolution
- 32767 × 32767
- Touch response time
- ≤ 10 ms
- Touch technology
- Infrared
System
- Ambient light sensor
- Yes
- Processor
- ARM 4x Cortex-A55, 1.9 GHz
- Graphics
- ARM Mali-G52 MP2 (2EE)
- OPS slot
- Optional
- Operating system
- Android 14
- RAM
- 8 GB
- Sensors
- Light
- Storage
- 32 GB
Connectivity
- Bluetooth
- Bluetooth 5.3
- Ethernet (RJ45)
- RJ45 (1000 Mbps Port) × 2
- HDMI input
- HDMI In × 3
- HDMI output
- HDMI Out × 1
- NFC card reader
- Yes
- Serial port
- RS232 × 1
- Touch USB ports
- Touch USB × 4
- USB-C
- USB-C (USB 3.0, DP in, touch, network, 65 W charging)
- USB ports
- USB-A 3.2 Gen 1 × 4
- VGA input
- VGA × 1
- Wi-Fi
- Wi-Fi 6 (802.11ax), 2.4/5 GHz
Camera & audio
- Audio in
- Audio In × 1
- Audio out
- 3.5 mm Line Out × 1, SPDIF × 1
- Speaker output
- 2 × 20 W
- Speaker type
- Built-in Speakers
Physical & warranty
- In the box
- Remote control, 2 × Passive stylus pen, Wall mount bracket, Accessory package, Quick start guide
- Operating humidity
- 10%~90% RH
- Operating temperature
- 0 °C to 40 °C
- Power consumption
- 150 W (typical); 275 W (max)
- Standby power
- ≤ 0.5 W
- Dimensions
- 1707.5 × 121.3 × 1050.0 mm
- Weight
- 49.0 kg
- Shipping dimensions
- 1790.0 × 200.0 × 1165.0 mm
- VESA mount
- 600 x 400 mm
- Input voltage
- 100–240 V AC, 50/60 Hz
- Certifications
- CE
How do I get a price for this product?
Do you deliver across the GCC and Africa?
Do you offer installation and setup?
Is there a warranty?
Can I order in bulk for schools or offices?
Does this model support Android applications?
Yes, the LPH75-ST420-S3 operates on Android 14, allowing direct installation and use of Android apps without additional hardware.
Can the panel be mounted on a mobile stand?
Yes, it supports both wall-mount installation and attachment to a mobile bracket for flexible positioning in different rooms.
Is NFC included for access control?
Yes, the unit has built-in NFC functionality to support card swiping for secure login or access management in institutional settings.
What is the touch technology used?
It uses infrared touch technology with a zero air gap design, providing 40-point multi-touch capability on Windows and 21 points on Android.
Which countries does Smart-Boards deliver to?
We ship to GCC countries (UAE, KSA, Qatar, Kuwait, Oman, Bahrain) and various African nations through established logistics partners at competitive rates.
Is on-site installation available outside the UAE?
On-site installation is provided within the UAE only. For other countries, the unit is delivered ready for local setup with optional remote guidance.
How is pricing determined for this product?
Pricing is quote-only, reflecting current market conditions and logistics costs for the specific destination country and order size.
Delivery across the GCC & Africa
We ship to the UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Oman and across Africa at the lowest possible cost through established logistics partners. Lead times and freight are stated clearly in your quotation.
On-site installation in the UAE
Professional installation, mounting and configuration are available within the UAE. Outside the UAE the product arrives ready for local installation, with remote setup guidance from our team.
- Export-grade packing and transit insurance
- Procurement-ready documents for tenders and projects
- Wall mount or mobile stand fitting (UAE)
- Manufacturer warranty, optional annual maintenance contract
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