Pcsensor IRSW20A USB Switch Programming Keyboard Mouse Automatic Scanner Proximity Sensor 1. USB custom infrared sensor switch 2. Simple operation, high sensitivity reflective photoelectric sensor 3. Intelligent control, saving time and effort 4. 50mm sensing distance, USB socket, anti-interference, multi-scene application 5. Five functions: mouse function, keyboard function, string function, game function, multimedia function 6. String function: commonly used English quick input such as Hello 7. Multimedia function: up, down, left, right, button A, button B 8. Game functions: playpause, previousnext track, volume updown 9. Keyboard functions: Ctrl+s to save, F5, input method switching, etc. any combination of keys on the keyboard 10. Mouse function: right mouse button, middle mouse button 11. Applicable to a variety of scenarios: games, office, voice equipment, mechanical equipment, etc. 12. Working principle: The infrared emission tube in the device emits infrared light, the receiving sensor detects the intensity of the reflected infrared light from the measured object, and sends the corresponding key value to the computer 13. Multi-system compatible, suitable for Mac, Windows, Android, Linux 14. Infrared induction, which can be triggered by a palm stroke; as long as the shading conditions are met, any object can trigger the induction 15. Small size and quick response 16. Dimensions: 23x35x7.2mm How to adjust the trigger distance: 1. Click the button 2. In the travel device setting window, click the trigger value button 3. Drag the slider on the left to adjust the distance of the trigger distance, click OK after adjustment, and it will prompt that the setting is successful.