An effective red laser pointer, allowing you to show what you want
Integrated slideshow controls
LCD display with timer and signal and load indicators
Wireless receiver ready to use
Range up to 30 meters with 2.4 GHz wireless technology
On / Off switch
Windows 8 compatible

vga video high resolution 1920 x 1440

Product parameters:
The input interface: 1 road 15 HDF VGA interface input
Output interface: 8 road VGA15HDF synchronous output interface
RGB analog channel: 250 MHZ bandwidth
Input level: the vp - 0.5-1 p
Output impedance: 75 Ω
Line synchronous channels: 0.7 5 vp - p input level
Transmission distance: 85 m
Support the resolution: 1920 * 1440
Power supply: DC 9 v 50/60 hz 5 w
Shell: metal

Input impedance: 32 Ω

Sensitivity (headphones): 97 dB +/- 3 dB

Sensitivity (microphone): -47 dBV / PA +/- 3 dB

Frequency response (headphone): 30 Hz to 15 kHz

Frequency response (microphone): 100 Hz to 6.5 kHz

USB-A charging cable length: 1.22 m

Connections: USB-A compatible (1.1, 2.0, 3.0)

connectivity: wired,

length of cable: 2.4 m,

noise reduction microphone, adjustable volume knob,

noise microphone,

connectivity: usb

Type: Bidirectional

Sensitivity (headphones): 111 dBSPL +/- 3 dB

Sensitivity (microphone): -42 dBV / PA +/- 3 dB

Frequency response (headphone): 100 Hz to 10 kHz

Frequency response (microphone): 200 Hz to 6 kHz

Total harmonic distortion: <2%

Connections: USB-A compatible (1.1, 2.0, 3.0)

* noise canceling microphone with background noise suppression,

* adjustable microphone boom for ideal position, mute control provides convenient control, 1 x 3.5mm male stereo jack

* logitech webcam c170,
* on USB 2.0 port with integrated microphone,

* 1.3 mp,

* cable included 1.5 m

* logitech hd webcam b910,

* 720p HD webcam on USB 2.0 port with built-in microphone,

* 5 mp,

* cable included 1.5 m