Selling Leads from Weihui(Guangzhou) Educational System Co.,LTD China

Weihui(Guangzhou) Educational System Co.,LTD > Selling Leads

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2007

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Selling Leads: Projection screen [10]; projector [2]; education product [5]; Amplifier [1]
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Weihui(Guangzhou) Educational System Co.,LTD

electric screen

Ⅰ. Features:
1) Highly bright matte white and glass beaded with a gain of more than 1.0;
2) High contrast and resolution;
3) Excellent vision effect;
4) Wide viewing angle and soft light;
5) No
Tripod screen

Ⅰ. Features:
1) Highly bright matte white and glass beaded with a gain of more than 1.0;
2) High contrast and resolution;
3) Excellent vision effect;
4) Wide viewing angle and soft light;
5) No
electric screen

Ⅰ. Features:
1) Highly bright matte white and glass beaded with a gain of more than 1.0;
2) High contrast and resolution;
3) Excellent vision effect;
4) Wide viewing angle and soft light;
5) No
WH668B Wireless Amplifier

Functional Characteristics:
Use tape
C-60 Tape（or C-45,C-90)
Tape speed deviation:
4.76±3%
Record Frequency Range:
125Hz～6300Hz ; ; ; ±3dB ;
Amplifier Frequency Range:
80Hz～12500Hz ;
WH668 Recording-Amplifier

Functional Characteristics:

Use tape
C-60 Tape（or C-45,C-90)
tapespeed deviation:
4.76±3%
Record Frequency Range:
125Hz～6300Hz ; ; ; ±3dB ;
Amplifier Frequency Range:
80Hz～12500Hz ;
Interactive Whiteboard

Functions
◆ ; Writing Function: Normal pen, Brush pen, Transparent Pen
1.Normal Pen: trim and smooth, suitable for alphabet and numerals handwriting
2.Transparent Pen: draw freely and change the
WH688 Digital MP3 Amplifier

Technical Specifications:

Size
85mm*45mm*11mm
Weight
300g
　
Lattice(128*32) LCD
Connected ; PC by
USB1.1(read 1000K Byte, write 800K Byte
EMS memory
Flash Memory:
Multifunctional Repeater

Product Description ?
1. Hi-Fi,high efficiency(>;7W),records and playbacks the tape 2. LCD display 3. Five levels of Speed change,Hi-Fi repeat time is 200 seconds,ordinary repeat time is 400 seconds
Micro-bee Portable Amplifier

Technical Specifications:
Power Output: ;
RMS 5W
Frequency Response: ;
150HZ ~ 10,000HZ + 3Db
Current Consumption: ;
150mA
Inputs: ;
Wired mic（-20dB 750）
Voltage: ;
DC
Multimedia LCD Projector

Parameters and Functions
Technical specifications：

Model No.
HP-035

53”Lighting
230lx ; ; (53”)

Resolution
Support VGA to HD

Contrast
500:1

Light

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