K-40 Series

Universal wireless presentation system

KLICK&SHOW K-40 allows you to present content from your notebook or mobile devices on a large screen. This is how you transform your meeting rooms into an area for wireless communication and collaboration.

Screen sharing becomes as simple and intuitive as a mouse click, perfectly supporting business and education applications.

The use of a KLICK&SHOW K-40 system allows for a clean and tidy meeting room without adapters and cables on or under the table.

Present wirelessly
and collaborate
saves time,
makes you more productive
and more successful!

       KLICK&SHOW K-40

  • The universal wireless presentation solution
  • Intuitive transmitters available with 3 different connection options
  • Runs on all common operating systems
  • Perfect price-performance ratio
  • 4K60 ready

K-40 Series - Options

K-40 Product / Bundle K-40 Base K-42H KIT K-42UC KIT K-42U KIT
Part number 7488000315 7488000330 7488000312 7488000310
Transmitter (included in delivery) - 2x HDMI 2x USB-C 2x USB-A
Windows 10 Software Client, Transmitter
MacOS Software Client, AirPlay, Transmitter
Mobile devices Android App / AirPlay / Miracast / Chromecast
Compatible transmitters HDMI, USB-C, USB-A USB-C, USB-A HDMI, USB-A HDMI, USB-C

Further information

Application example


The touchback function of KLICK&SHOW K-40 allows convenient remote control of your own computer from a touch screen connected to the base.


The WebGUI of the KLICK&SHOW K-40 can be accessed via a browser and allows users to download the software locally. Moderators retain control over the meeting process and administrators have the ability to configure the entire system.

Our features -
Your advantages

Cross platform

Universal for all platforms

With Windows, macOS and Android, all important operating systems and platforms are natively supported.
Apple devices can be connected via AirPlay. Miracast and Chromecast are available platform-independently.

Plug & Play

Plug in transmitter and present

HDMI and USB-C transmitters work without the need to install any software.
Simply connect the transmitter and in a few seconds content can be presented wirelessly and smoothly in brilliant Full HD resolution.

Touch & Go

With sensor button
and vibration-

One touch of the sensor surface is enough and the transmitter goes on the air. A haptic and visual feedback (vibration and colour change) acknowledge the operation.

Whiteboard &

Capture and comment on ideas

All tools are on board for a successful, interactive meeting. An integrated whiteboard app enables spontaneous brainstorming sessions and the annotation function allows important points to be highlighted or commented on.


1080p transmission

Wireless, fluid transmission in excellent picture quality with Full HD resolution and low latency (about the blink of an eye), that's what distinguishes the KLICK&SHOW products.


4-fold splitscreen

With KLICK&SHOW the simultaneous display of 1, 2, 3 or 4 sources is possible, thanks to 4K support also in the best picture quality.

30 participants

Easy moderation thanks to preview function

Up to 30 devices can be connected to one base at the same time. So that you do not lose the overview, supports you KLICK&SHOW with a preview function.


for speaker view

Professional presenters will be pleased with the "extended desktop" function, where, for example, the PowerPoint presentation runs on the main screen but the notebook display shows the speaker's view.


Transmitter ready for immediate use

KLICK&SHOW is ready for use immediately after unpacking.
To pair additional transmitters with a base unit, they only need to be briefly plugged into the base unit once via USB.


Guest and employee network

Companies often have separate networks for staff and guests.
For this reason, the KLICK&SHOW base K-40 has two network interfaces to meet this requirement.


WLAN encryption

Security in IT is a top priority with KLICK&SHOW is written in capital letters. In addition to WLAN encryption with AES WPA2PSK authentication
, data transmission is also encrypted with 256/1024 bits.


Firmware upgrades via OTA

Firmware upgrades are easily delivered to the device via OTA (Over-the-Air) update or for admins via WebUI.

Technical data

KLICK & SHOW Kits - Technical dataK-40 BaseK-42H KITK-42UC KITK-42U KIT
Part number7488000315748800033074880003127488000310
Transmitter included- –2x HDMI2x USB-C2x USB-A
Compatible transmittersHDMI, USB-C,
Windows 10Software Client, Transmitter
macOSSoftware Client, AirPlay, Transmitter
Mobile devicesAndroid App / AirPlay / Miracast / Chromecast
Maximum resolution, wireless1080p
Simultaneous connections RJ45up to 30
Simultaneous connections WLANup to 16
Grit Screen1 / 2 / 3 / 4
Low latency mouse cursorYes, USB-A Transmitter and Windows Software Client
Touch-Back /USB-HID supportYes, e.g. for use in conjunction with interactive displays, whiteboards or projectors
WIFI frequency band2.4 / 5 GHz
WIFI StandardIEEE 802.11b/g/n/ac
WIFI antennas2×2 MIMO
WIFI bandwidthup to 1200 Mbit/s
WIFI security standardWPA PSK, WPA2 PSK
HDMI output
1x HDMI 2.0
Supported resolutions3840×2160, 1920×1080, 1280×720@60/30 Hz
HDCP versionHDCP 1.4, HDCP 2.0
HDMI input / max. resolutionOptional via HDMI Transmitter (1080p60)
Audio inputTransmitter, Windows/Mac Software Client, AirPlay
Audio output (analog)1x 3.5 mm stereo jack
USB 2.0 (Type C) 1x (front)
USB 2.0 (Type A)1x (front)
USB 3.0 (Type A)1x (back side)
LAN (RJ45)1x 1000 MBit/s with PoE, 1x 100 MBit/s
PoE StandardIEEE802.3af
RS232 input1x 3pin Euroblock (rear side)
Housing / ColorAluminium, Plastic / similar to Space Grey, Black
Dimensions (W x D x H)165 x 95 x 25 mm (incl. antennas 165 x 215 x 25 mm)
Weight0,2 kg
Power supply unitPlug-in power supply with interchangeable plugs (Euro AV, UK, US, AUS), 12 V / 2 A
Power consumptionmax. 10 W

K-40 Transmitter

No matter which interface you choose, all transmitters KLICK&SHOW transmitters have an integrated WLAN.

After the one-time pairing (learning), the transmitter connects automatically to the base, regardless of which computer it is plugged into. Klick & Show base, no matter which computer you plug it into.

You can concentrate fully on your presentation.

One touch of the sensor surface is enough and the transmitter goes on the air.

A haptic and optical feedback (vibration and color change) acknowledge the operation.



Simply connect the KLICK&SHOW USB-A transmitter to the port of a computer and install the client software in seconds.
The installation of the application does not require any special user rights. This means that updates are also possible without any problems. The result: a significant reduction in the workload of the IT department.



The KLICK&SHOW HDMI transmitter is plugged into the HDMI output of a displaying device.
It behaves like a display that is connected by cable. Because no driver is required, pure playback devices such as cameras can also be transmitted wirelessly.
The power supply and the touch back function are ensured via the additional USB connection.



More and more devices only have a USB-C connection. This can be used to transmit not only data but also video signals.
The USB-C Transmitter takes advantage of precisely this KLICK&SHOW USB-C transmitter not only transmits video and audio signals, but also supplies the transmitter with power and transmits the touchback function.

Transmitter USB-A transmitter HDMI transmitter USB-C transmitter
Part number 7488000301 7488000313 7488000314
Connection (plug) USB-A HDMI (19pin), USB-A USB-C
Compatible base Klick & Show K-10-S, K-10-L, K-40
USB Standard 2.0
Input resolutions up to 4096×2160 up to 2540×1440@60Hz up to 2540×1440@60Hz
Video standard N/A HDMI 1.4, HDCP 1.4 DP 1.2, eDP 1.4, HDCP 1.3
Audio 2CH PC embedded HDMI PCM 2CH 2CH PCM
USB HID function yes
Frame rate 60 FPS (max.)
Output resolution 1080p (max.)
Latency < 130 ms < 100 ms < 100 ms
WIFI frequency band 2.4 / 5 GHz
WIFI Standard IEEE 802.11b/g/n/ac
WIFI antennas MIMO 2×2
WIFI bandwidth up to 1200 Mbit/s
WIFI security standard WPA PSK, WPA2 PSK
Housing / Color Plastic / black
LED green / red
Operation Sensor button with vibration feedback
Dimensions (W x D x H) 80 x 65 x 13 mm
Connection cable (length) approx. 11 cm approx. HDMI 11 cm, approx. USB 21 cm approx. 11 cm
Weight 0,1 kg
Power consumption 2 W

2,5 W

3 W
Power supply via USB 5V