Gold Member Since 2016
Audited Supplier
Guangzhou Techland Electronics Co., Ltd.

All-in-One PC, Interactive Whiteboard, Multi-Media manufacturer / supplier in China, offering Educational Multi-Media All-in-One PC for Interactive Whiteboard, 5MP Portable Visualizer Document Scanner with VGA, HDMI Output for Digital Classroom, 5MP Portable Visualizer Document Camera with HDMI and VGA Output and so on.

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Educational Multi-Media All-in-One PC for Interactive Whiteboard

Purchase Qty.:
10-19 20+
FOB Unit Price: US $720 US $700
Purchase Qty. (Pieces) FOB Unit Price
10-19 US $720
20+ US $700
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Port: Huangpu, China
Production Capacity: 20000PCS/ Year
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: TL-4020
  • Document Camera: 5MP
  • Speaker: 2X20W
  • Control Projection: RS232 Projection Control
  • PC Board: H81
  • Harddisk: 500GB
  • Trademark: Techland
  • Specification: 1267x330x57mm
  • HS Code: 8471504000
  • Usage: Teaching
  • Control Center: 1
  • Amplifier: Around 50W
  • CPU: I3 Dual Core
  • Memory: 4GB
  • Certificate: Ce,RoHS
  • Transport Package: Standard Export Packing
  • Origin: China
Product Description
Product Advantages
With thickness of  57mm slim,it can be inserted into a pull-push blackbord
With unique smart system on/off button which can turn on/off the whole connected system
Supports audio & video synchronized recording
5.0 mega pixel document camera 
Automatic alarm of improper shutdown of power and projector
One key to reset to factory settings
Professional software with iamge zooming in/out function PDF,OCR available with a mouse 
USB 3.0
Model      TL-4020
Control modeBuilt in dustproof control panel ,IR remote (any remote),RS-232,software
Input voltage200~240  50HZ/60HZ
Standby power<=5W
2.4G Wireless microphoneWireless microphone(with laser pointer module)        
2.4G wireless
VGA In4 Ports ( front*1, top*1, inside*2)
VGA Out2 Ports (top*2)
AUDIO In3 Ports ( front*1, top*1, inside*1) which synchronous switch with VGA
AUDIO Out1 Port (top*1)
Sound source output1 Port  2.0 AUDIO Output
HDMI Input3Ports  (front*1,top*1, inside*1) ( Optional )
HDMI Output1Port (top*1)   (Optional )
MIC1 Port  ( adjustable Volume )
USB2.06 ( front*2, top*2) 
USB3.02 Ports(front*2, compatibility for USB2.0)
RS-2321 (top*1)
RJ-45 Input1 (top*1)
Central Controller 
Central Controller Version32-bit embedded computer control system
Infrared coding / Remote controlInfrared remote coding function (After the coding operation, you can remote control this machine with any remote, such as TV remote)
ON-OFF keyOne click on this button will turn on/off  PC and projector(Time-lapse power off)
Mute keyVolumn waxes faint
Volumedigi-showing the volumn status and coding status
Central control functionLong pressing on this button will active the central control function with VGA switch workable without turning it on
PC (optional)
MainboardH81(support HDMI out)
CPUi3, dual-core, four routes
Hard driver500GB/7200rpm
Amplifier / Speakers
Rated power20W*2
Distortion degree<=0.5%
Frequency responseInput:20Hz-20KHz,  Microphone: 60Hz-14KHz
Document Camera
Camera1/3'' CMOS imaging sensor
Resolution5.0 mega pixels 
ZoomMax 24x digital  
White balanceAuto
Focus modeAuto
Image processingZoom in/out ,Color & B/W,Negative, Mirror, 90°,Rotation,Cut
Edit functionCurve, line, rectangular, oval, text input, redo, delete, line thicknesses, style, color 
RecordAudio & Video synchronous recording ( format WMV, AVI etc )
Photo shootingimage size adjustable, 9 images preview
ShootingYes ( adjustable time in Burst shooting mode)
Continuous shootingYes
PDF transferYes
OCRMulti-language OCR available
AlarmAutomatically start alarm after shutdown
ResetReset to factory settings
Lightning protection functionBuilt-in lightning protection module
Educational Multi-Media All-in-One PC for Interactive WhiteboardEducational Multi-Media All-in-One PC for Interactive Whiteboard
Educational Multi-Media All-in-One PC for Interactive Whiteboard
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