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LPH75-ST430

75 inch Smart Interactive Whiteboard

> The 75-inch 4K DLED display uses zero air gap technology and is built of anti-glare tempered glass, which reduces air refraction and parallax, and enhances the effect of the display. 

> Infrared touch technology, support Android under 32 points infrared touch, windows under 40 points touch, touch accuracy ± 1.5 mm, response time ≤8 ms. 

> Easily switches between Android and Windows. The PC module requires Windows. 

> Performs screen mirroring with one-click for phones, computers, tablets and more. 

> Supports reverse touch. 

> Offers a smooth writing experience through handwriting recognition, pen writing, the fast writing response speed, and pen pressure recognition for a real writing experience. 

> Supports multiple gestures such as zoom, drag and pan. You can also erase with the point, circle or board gesture erasers, or click once to clear the screen. 

> Supports laser pens. 

> Annotations can be easily added to any page. 

> Supports taking notes and generating QR codes for file sharing and storage. The files can be easily encrypted for privacy and security protection. 

> Multiple files can be processed in batches by scanning them. 

  • Specifications
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    Built-in System

    Operating System

    Android 14

    CPU

    Quad core Cortex-A73

    CPU Frequency

    1.5 GHz

    GPU

    Mali G52MC1

    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

    Power Consumption

    178 W (basic), 280 W (max)

    Standby Power Consumption

    ≤0.5 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%, 101 kPa

    Storage Humidity

    10%–90%, 101 kPa

    Product Material

    Metal casing

    Glass

    4 mm anti-glare tempered glass

    Casing Color (Frame/Rear)

    Black

    Product Dimensions

    1,707.5 mm × 116.7 mm × 1,041.9 mm (67.23" × 4.60" × 41.02")

    Frame Size

    Top frame: 28.7 mm (1.13"); Left and right frame: 17.9 mm (0.71"); Bottom frame: 61.6 mm (2.43")

    Packaging Dimensions

    1,790.0 mm × 200.0 mm × 1,165 mm (70.47" × 7.87" × 45.87") (L × W × H)

    Net Weight

    47.5 kg (104.72 lb)

    Gross Weight

    58 kg (127.87 lb)

    Holes Distance

    600 mm × 400 mm (23.62" × 15.75")

    Installation

    Wall mount or mobile bracket

    Packing List

    1 × Smart Interactive Whiteboard

    1 × Power Cord

    2 × Stylus Pen

    1 × Quick Start Guide

    1 × Wall Mount Bracket

    1 × Remote Control

    1 × Legal and Regulatory Information

    1 × Wall-mount Screw Pack

    2 × Aerial Rod

    LCD Panel

    Screen Size

    75 inch

    Backlight

    DLED

    Aspect Ratio

    16:9

    Brightness

    400 cd/m² (typ.)

    Static Contrast Ratio

    VA: 4000: 1 (typ.); IPS: 1200: 1 (typ.)

    Resolution

    3840 (H) × 2160 (V)

    Viewing Angle

    178° (H)/178° (V)

    Lifespan

    ≥50,000 hrs

    Display Color

    72% NTSC

    Response Time

    ≤ 8 ms

    Refresh Rate

    60 Hz

    Device Ports

    Light Sensor

    1

    Front Button

    1 button: Power supply

    Front Ports

    1 × USB Touch Type-B 2.0 port

    1 × HDMI IN (4K@60 Hz) port

    2 × USB 2.0 Type A (switchable) port

    1 × TYPE-C (USB data transmission，5 V 1 A charge) port

    Rear Port

    1 × RS-232 port

    1 × USB Touch Type-B 2.0 port

    2 × HDMI IN (4K@60 Hz) port

    1 × RJ-45 IN (10/100 Mbps) port

    1 × USB 2.0 Type A (switchable) port

    1 × USB 3.2 Gen1 Type-A port

    1 × MIC IN port

    1 × LINE OUT port

    1 × OPTICAL port

    Others

    1 × OPS port

    Wi-Fi

    Yes

    Wi-Fi Standard

    802.11 a/b/g/n/ac/ax

    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

    BR/EDR/BLE, BT5.4

    Bluetooth Frequency Range

    2400–2483.5 MHz

    MAX Power Transmission (Bluetooth)

    ≤20 dBm@2400–2483.5 MHz

    Function

    IR Receiver

    1

    Touchscreen

    Touch Technology

    Infrared

    Attachment Method

    Zero Air Gap

    Response Time

    ≤5 ms

    Touch Points

    Windows: 40 points

    Android: 32 points

    Touch Accuracy

    ±1.5 mm

    Valid Touch

    2 mm (0.08") (covers 90% of the area)

    Touch Height

    ≤2 mm

    Writing Mode

    Finger and stylus pen (magnetic)

    Communication Mode

    USB + UART

    Anti-light Interference

    Anti-glare tempered glass

    Surface Hardness

    ≥ 9 H

    Touch Resolution

    32767 × 32767

    Speaker

    Built-in Speaker

    2 full-range speakers; The power of a single speaker is not less than 20 W

    Power

    2.0 sound channel, front-end: 2 × 20 W

    Frequency

    140 Hz–20 kHz

    Certification

    Certifications

    CE; EDLA; Energy Star