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LPH75-ST420-L new-products

Dahua 75 inch Smart interactive whiteboard

> 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. 

> Supports writing on the whiteboard and recognizes handwriting and graphics. 

> Microsoft Office and other related software can be installed, and it can play audio and video files in various formats. 

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  • Built-in System

    Operating System

    Android 13.0

    CPU

    Quad-core A55

    CPU Frequency

    1.9 GHz

    GPU

    Mali G52MP2

    RAM

    8 GB

    ROM

    128 GB

    Function

    Operating System of External Module

    Windows, macOS, Android, Linux, Google Chrome

    Wi-Fi

    Wi-Fi 5, 802.11a/b/g/n/ac

    Wi-Fi Hotspot

    Wi-Fi 5, 2.4 GHz and 5 GHz dual band

    LCD Panel

    Panel Dimensions

    75 inch

    Backlight

    DLED

    Aspect Ratio

    16:9

    Brightness

    350 cd/m² (typ.)

    Resolution

    3,840 (H) × 2,160 (V)

    Viewing Angle

    178° (H); 178° (V)

    Lifespan

    ≥ 50,000 hrs

    Display Color

    1.07 Billion

    Refresh Rate

    60 Hz

    Static Contrast

    IPS: 1200 (typ.)

    Response Time

    8 ms ( typ.)

    Device Ports

    Front Button

    7 buttons (home, touch lock, increase the volume, decrease the volume, signal source, return and power supply)

    Front Ports

    Type-C × 1; HDMI IN × 1; Touch Type-B × 1; USB Type-A × 3

    Network Port

    1 (100 Mbps)

    Wi-Fi

    1 Wi-Fi and 1 hotspot (single module)

    USB

    USB 2.0 × 1; USB3.0 × 1; Touch USB2.0 × 1

    RS-232

    1 DB9 for controlling the device

    Video Input

    HDMI IN 2.0 × 2; AV IN × 1

    Video Output

    AV OUT × 1

    Audio Output

    3.5 mm stereo line out × 1 (coaxial)

    Others

    OPS slot × 1

    IrDA

    1

    Bluetooth

    BT 5.0

    Type-C Port

    Front Type-C × 1

    Touchscreen

    Touch Technology

    Infrared touch technology

    Response Time

    ≤ 6 ms

    Touch Points

    Android: 20

    Windows: 40

    Valid Touch

    2 mm

    Writing Mode

    Finger and stylus pen (magnetic)

    Anti-light Interference

    Anti-glare tempered glass

    Surface Hardness

    > 7 hrs

    Touch Resolution

    32,767 × 32,767

    Number of Multi-user Writing Points

    5

    Speaker

    Frequency

    150 Hz–20 kHz

    Power

    15 W × 2 (max)

    Built-in Speaker

    2

    General

    Power Supply

    100–240 VAC, 50/60 Hz

    Power Consumption

    ≤ 350W

    Operating Temperature

    0 ℃ to 55 ℃ (32 ℉ to 131 ℉)

    Storage Temperature

    -10 ℃ to +55 ℃ (14 ℉ to 131 ℉)

    Operating Humidity

    20%–80% (RH)

    Storage Humidity

    20%–90% (RH)

    Product Material

    Metal

    Protective Glass

    4.0 mm anti-glare tempered glass

    Casing Color (Frame/Rear)

    Black

    Product Dimensions

    1,707.5 mm × 1,041.9 mm × 116.7 mm (67.22" × 41.02" × 4.59")

    Frame Size

    U: 61.5 mm, L/R: 17.6 mm, D: 28.3 mm (U: 2.42", L/R: 0.69", D: 1.11")

    Packaging Dimensions

    1,785 mm × 200 mm × 1,125 mm (70.28" × 7.87" × 44.29")

    Net Weight

    55 kg (121.25 lb)

    Gross Weight

    63 kg (138.89 lb)

    Holes Distance

    600 mm× 400 mm (23.62" × 15.75")

    Installation

    Wall mount or mobile bracket

    Standby Power Consumption

    ≤ 0.5 W

    Packing List

    Smart interactive whiteboard × 1

    Stylus pen ×2

    Power cable × 1

    Quick start guide × 1

    Wall mount bracket × 1

    Pack of wall mount screws × 1

    Antenna × 4