Name        ViewSonic | IFP7551 
Refresh Rate        60 Hz
Screen Size        75 inch
Built-In Microphones        Beamforming array × 8
Warranty        3 Years
Accessories        Remote control, Stylus × 2, Quick Start Guide, Compliance statement, RS232 adapter, Clamp × 5, Camera Plate, Screw × 8, VB-WIFI-005 WiFi Adapter
Included Cables        Power Cord (3m), USB-C Cable (1.8m), USB Touch Cable (3m), HDMI cable 3m
Wall Mount        800 × 400 mm (VESA)
Power Consumption        201 W
Power Standby        < 0.5 W
Shipping Dimensions        1863.0 × 1163.0 × 225.0 mm
Product Dimensions        1709.1 × 1037.5 × 85.5 mm
Product Weight        46.06 kg
Operating Humidity        20%~80% RH
Operating Temperature        0 °C - 40 °C
RAM        16 GB
Storage        128 GB
CPU        Rockchip RK3576
OS Version        ViewBoard OS EDLA
Touch Points        50 Points Multi Touch
Touch Technology        Infrared
Touch Response Time        < 5 ms
Palm Rejection        Yes
Surface Protection        Anti-Glare Smooth Glass
Ethernet (RJ45)        Gigabit LAN (RJ45) × 2
Wi-Fi        Wi-Fi 6, 2.4G/5G
Bluetooth        Bluetooth 5.2
Serial Port        RS232 × 1
OPS PC Slot        Optional
USB Ports        USB Type A × 5
Touch USB Ports        USB Type B × 2
Audio In        Line In × 1
Type C Functionality        up to 65W Power Delivery
Type C in        Type-C × 3
DP 1.2        DisplayPort Input × 1
VGAInput        VGA × 1
Hdmi Output        HDMI Out × 1
Hdmi Input        HDMI In (HDMI 2.1) × 4
Speaker Output        70W (25W × 2 + 20W × 1)
Speaker Type        Built-in Speakers
Brightness        400 cd/m²
Resolution        3840 × 2160
Viewing Angle        178° (H) / 178° (V)
Backlight        DLED