ZK75S3

Features：

• The distance between the tempered glass and the screen is close to 0,  which preventing the reflection of light effectively, showing excellent effect and excellent writing experience.
• High accuracy touch screen, supporting 1 point 2.0mm precision writing and 6 points 2.8mm simultaneous writing.
• Writing height below 2.0mm to bring a smoother writing experience.
• All-channel annotating, built-in Android writing software.
• Smart sidebar menu.
• Built-in Android system and optional with OPS computer module.
• Double LAN bridging, supporting Android, OPS (Windows system) and external PC realize network bridging.
• Front USB port auto switch follows Android and OPS.
• Antenna hidden inside.
• HDMI screen-to-screen output Display. (Optional)
• Screen lock.
• Front Type-C port.
• 4K UI display.

1. Display

LCD：75″

Backlight Type： D-LED

Resolution(pixels)：3840×2160

Brightness：400cd/m²(min.)，450cd/m²(typ.)

Contrast Ratio：1200:1(typ.)

Response Time：8ms (typ.)

Pixel Pitch(mm)：0.4296(H)×0.4296(V)

Refreshing Frequency)：60Hz

Viewing Angle)：178°(H/V)

Life Time：30,000 hrs (min.)

NTSC：72%(Typ.)

View Area：1649.664(H)x927.936(V)

Display Colors：1.07G(8bit+FRC)

2.Touch Technology

Sensing Type：Infrared Touch Frame

Surface Protection： 3.2mm Toughened Glass

Touch point：40 Points

Interpolation Resolution：32768×32768

Touch Accuracy：±1mm

Response Time：≤5ms

Minimum Touch Object：≥2.0mm

System：Windows11/Windows10/Windows8/Windows7/Windows XP/Android/Linux/Mac OS X/Chrome

3.Operating System

– System Version: Android 14.0

– RAM: 8GB

– ROM: 64GB (32GB/128GB optional )

– CPU: A73×4

– GPU: Mali G52 MC1

4.Audio System

Sound Channel：2.0

Speaker：2×20W

Subwoofer(optional): 1×20W

5. Wi-Fi&Bluetooth:

Wi-Fi5: IEEE802.11a/b/g/n/ac, 2T2R MIMO(2.4GHz/5GHz)

Blutooth: BT 2.1+EDR/4.2/5.1

Optional：Dual Wi-Fi5, Wi-Fi6 and BT 2.1+EDR4.2/5.4

6.Connectivity Options

HDMI IN: ×4 (Up to 4K@60Hz, HDCP 2.1, CEC, ARC(HDMI 3)

DP IN：×1 (4K@60Hz,DP 1.2a)

USB 2.0: ×1 (For system upgrades)

USB 3.0: ×3 (Front×2, Rear×1)

USB Type-C IN: ×2 (4K@60Hz,Front x1,Rear x1; PD 15W)

TOUCH 2.0: ×3

MIC IN: x1

AUDIO OUT: ×1 (3.5mm Phone Jack)

SPDIF: ×1

RS232: ×1

LAN :×2 (10M/100M/1000Mbps)

SD CARD（Optional）:×1

7.Power Efficiency

Power Requirements：100-240V～50/60Hz

Typical Power：350W

Max Power（W/OPS）：440W

Standby Power：≤0.5W

8.Physical Specifications

Dimension L×H×D：1705mmx87.2mmx1015.7mm

Dimension (package) L×W×H：1860mm×185mm×1125mm

VESA：800×400mm

Net Weight：52.86kg

Gross Weight：62.8kg

9. Accessories

Power Cord: ×1

Writing Pen: ×2

Remote Coontroller: ×1

USB A-B Cable) ：×1

HDMI Cable：×1

10. Environmental Conditions

Operation Temperature：0℃ – 40℃

Operation Humidity：10% – 80%RH

Storage Temperature：-20℃- 60℃

Storage Humidity：10% – 80%RH

Altitude：Below 5000 meters