Ultra HD 4K LED

Smart Touch All-in-One

CWTffi138

Wireless Screen Throw Writing Whiteboard Human-computer Interaction Videoconference

CWT-138 Ultra HD 4K LED Smart Touch All-in-One Machine adopts industry-leading inverted COB

wireless packaging technology with stable and reliable quality, and the front protection level reaches

IP65, which is collision-proof, moisture-proof, water-proof, fire-proof, static-proof, and salt-fog-proof;

moreover, it combines high brightness, high contrast ratio, wide viewing angle, high definition, high

refresh rate, long service life, good protection, support for multi-terminal collaboration, compatibility

with multiple operating systems, support for smart pens and fast charging and other features of

intelligent equipment, to bring people an unprecedented human-computer interaction experience.

Choose COB touch all-in-one machine to make your life more convenient, efficient and intelligent.

Application Scenarios: Mainly used in high-end meetings, public opinion research and judgement,

broadcasting, high-definition video conferencing, local meetings, education and training, high-end

presentations, high-definition displays, multifunctional lecture halls, news releases, high-definition

displays. Multi-functional lecture hall, news release, HD live broadcast and other scenes.

Introduction

Feature

Ultra High Resolution: 4K

Extra Large Size: 138 inches

LED Direct Display: Full Flip COB

Ultra-Black Surface: UBP (Ultra-Black Processing) technology from Chinese Academy

of Sciences, anti-glare and non-reflective.

Ultra-wide Colour Gamut: 115%NTSC

Healthy Surface Light Source: Anti-blue light hazards, anti-point light source stimulation,

to care for the health of the eyes.

Ultra-low Temperature Rise: Low temperature in front of screen, comfortable near-screen

experience.

Ultra-low Radiation: Extremely low electromagnetic radiation.

Energy Saving and Environmental Protection: Ultra-low power consumption and

environmentally friendly materials.

Bass Noise: Quiet space, pick up the sound clearly; high-fidelity stereo sound,

presenting the real original sound effects.

Strong Protection: Anti-collision, anti-shock, moisture-proof, water-proof, dust-proof,

fire-proof, anti-salt spray, anti-static.

Supports Disinfection: Can be cleaned with iodine, alcohol, hypochlorite disinfectant.

USB Flash Drive

A USB stick can be inserted to read the files.

Multimedia Presentation

Supports playback of multiple file formats.

One-touch Switch-on

Supports Multiple Casting Methods

One-key casting, unrestricted, to meet the needs of

different platform applications, compatible with

multi-platform cross-system fast casting.

Plug and play, no need for debugging, power on

button, you can turn on the smart display with one

key, or you can achieve a variety of operations

through the remote control.

Split-screen Display

With multi-screen display function.

Dual-system Operation

Android 10.0 with optional OPS, configured with

Windows 10 for seamless switching.

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2

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Electronic Whiteboard

Support meeting whiteboard, smooth surface,

finger writing, smooth and fluent, two-point zoom,

a key to erase, support for multi-point simultaneous

writing; screen marking, any annotation; meeting

records, a key to save, sweep the code to take away.

Function

Technical Parameter

Parameters of The Whole Machine

Product Specification

Screen Size (W x H) (m)

Screen Resolution (Pixels)

Overall Dimension (W x H) (m)

Box Connection Method

Maintenance Method

Product Protection Level (Front)

Optical Parameter

Working Brightness (cd / ㎡)

Peak Brightness (cd / ㎡)

Brightness Correction

Chromaticity Correction

Calibration Coefficient Storage Location

Brightness Uniformity

Refresh Frequency (Hz)

Image Frame Rate (Hz)

Adjustable Colour Temperature Range (K)

Colour Gamut (NTSC)

Colour

Horizontal Viewing Angle (°)

Vertical Viewing Angle (°)

Static Contrast Ratio

Dynamic Contrast Ratio

138 inches

3.048 x 1.7145

3840 x 2160

3.07 x 1.8455

Hardwired

Front Maintenance

IP65

0-800 Adjustable

≥ 1200

Supported

Supported

Receiver card

≥ 98 percent

1920-3840 (Application Scenario Adjustable)

50 / 60

2000-10000

≥ 115%

281 trillion colours

≥ 170

≥ 170

≥ 10000 : 1

≥ 350000 : 1

Electrical Parameter

Power Requirement (V)

Maximum Power Consumption (W / unit)

AC 100-240(50/60Hz)

≤ 2400

Control System

Driving Method

Grey Level (bit)

Usage Parameter

Operating Temperature

Humidity Range (°C / RH)

Storage Temperature

Humidity Range (°C / RH)

System Configuration

Operating System

Android Motherboard Configuration

OPS Mainframe Configuration (Optional)

Constant Current PWM Driver

16

-10 ~ +30 / 10% ~ 70% condensationless

-10 ~ +40 / 10% ~ 70% condensationless

Android 10.0, Windows 10 Smart Dual System

Multi-core processor +4G RAM +32G storage

Multi-core processor +4G RAM +128G storage (upgradeable)

Technical Parameter

Intelligent Interaction

Wireless Screen Casting

Screen Casting Method

Window

Whiteboard

Touch Function (Optional)

Annotation Function

Android Function Interface

Video Interface

Audio Interface

USB

Network Interface

OPS Functional Interface

Video Interface (OUT)

Audio Interface

USB

Network Interface

External Device

Camera (Optional)

Microphone (Optional)

External Device

Camera (Optional)

Microphone (Optional)

Sound Equipment

Audio

2CH HDMI IN (4K30Hz)

Audio Output (3.5JACK)

1-channel USB 3.0, 4-channel USB 2.0

Ethernet, WiFi, Hotspot

1CH HDMI, 1CH DP (Output to monitor)

AUDIO / MIC

2-channel USB2.0, 2-channel USB3.0

Ethernet, WiFi

Built-in 2 speakers (10Ω 8w x 2), external speaker available

Support Tencent conference and other mainstream platforms

Support

Support Screen Thrower, Android System Thrower (need to download

software), iOS System Thrower

Hardware/software casting

4 Split Screen

Support full-screen erase, brush setting, image export, PDF export,

mobile phone scanning.

Maximum 20-point touch support

Support saving annotations, code scanning

PTZ fixed, 1080P, suitable for 30-60㎡, 5 x lossless zoom / 2 x

digital zoom, with sound pickup, horizontal / vertical rotation, IR

remote control, external power supply required.

Support 360° omni-directional microphone access wireless

digital omni-directional microphone: built-in 1800mAh battery,

endurance of 8 hours, 2.4G wireless transmission adapter,

transmission distance of 10 metres, pick-up radius of 5 metres

Soundking Group