CommBox Classic S4 Plus 75 Inch 4K 3840x2160 400nit Touchscreen Interactive Display

The CommBox touchscreens have 4K resolution, 40-point touch, and are simple to use. Providing a simple, clean interface that supports pedagogy with built-in web browser, whiteboard, and screenshare. Classroom or staffroom interactivity has never been easier or more intuitive.

• 75 Inch Interactive Touch Display
• Toughened 4mm anti-glare glass
• CommBox Connect wireless screen sharing - powered by eshare & AirServer (Native Miracast and Native AirPlay)
• On Board Apps - Whiteboard, CommBox Store, Browser, Polls, Calculator, Timer, Freeze screen, Annotate

Display:
• LCD Size: 75”
• Tempered Glass: Mohs Level 7 - min 3mm + Antiglare
• Orientation: Landscape
• Backlight Type: D-LED
• Resolution: 3840 (H) x 2160 (V)
• Android Resolution: 4K Android
• Brightness: 400 cd/m2
• Contrast Ratio: 1200:1
• Response Time: > 8ms
• Pixel Pitch: 0.4296 x 0.4296mm
• Refreshing Frequency: 60hz
• Viewing Angle: 178 degrees
• Life Time: > 50000 hours
• Colour Gamut: 72%
• View Area: 1649.664 (H) x 927.936 (V) mm
• Display Colours: 1.07B (10bit)
• Bezel Colours: Black
• Bezel Icons: White
• Buttons: Anti-microbial coating

Bluetooth:
• Version: 5.0
• Operating Frequency: 2.4GHz
• Operating Distance: 0-10

WiFi (Dual Band):
• Main Chipset: Removable WIFI 6 Module
• Operating Frequency: 2.4GHz/5GHz
• WIFI Standard: 802.11ac/b/g/n/ax
• Operating Distance: 0-10m

Electrical:
• CPU - Architecture: Quad Core
• RAM: 8GB
• ROM: 64G
• Operating System: CommBox OS Built on Android 11
• Power: 240V
• Power Consumption OPS: 350W
• Stand by: < 0.5W

Audio:
• Sound Channel: 2.0
• Speaker: 2 x 20W + subwoofer

Microphone:
• Array: 6
• Distance of Pick Up: 6m

Camera:
• Pixel: 13MP Automatic Focus
• Supports 4K: Yes
• Zoom: 2X Digital Zoom via UVC API
• Field of View (FOV): 123 degrees
• Auto White Balance (AWB) & Auto Exposure (AE): Yes
• Anti-Flicker: Yes
• Position: Built in the middle of the top frame

Touch:
• Sensing Type: Infrared Recognition
• Infrared Touch: 40 touch points
• Resolution: 32767 (W) x 32767 (D)
• Touch Accuracy: 1mm
• Response Times: > 8ms
• Output Mode: HID Standard
• Theory Clicks: Unlimited
• Minimum Touch Object: 1.6mm
• Windows 7 and above: Multi-touch
• Chromium, MacOS, Linux: Single-touch

Inputs/Outputs:
• HDMI 3.0 In: 3
• VGA In: 1
• USB 2.0: 1
• USB 3.0: 2 x Front, 2 x Back
• USB Type-C: 1 - 65W charging
• USB Touch: 2
• Audio In: 1
• Audio Out: 1
• S/PDIF Out: 1
• RS-232: 1
• LAN In (RJ45): 1 - 1000MB/sec
• LAN Out (RJ45): 1
• HDMI Out: 1
• OPS Slot for Windows 10/11: 1

Structure:
• Product Size: 1709 x 1029 x 88 mm
• Thickness of Machine and Wall Mount: 118 mm
• Housing Material: Aluminium/Metal Plate
• Housing Colour: Black
• VESA: 800 x 400 mm
• Wall-hanging screw spec: M8 x 25 mm
• Weight: 47.65 kg

Environmental Conditions (Display + WiFi Module):
• Operation Temperature: 0 - 40 degrees
• Operation Humidity: 10% - 90% RH
• Storage Temperature: -20 - 60 degrees
• Storage Humidity: 10% - 90% RH
• Altitude: Below 5000 metres