![Photoelectric switches (optical switches) for mechanical gaming keyboard (optical mechanical keyboard switch) - Custom Best RGB Backlit Programmable Mechanical Keyboard China Photoelectric switches (optical switches) for mechanical gaming keyboard (optical mechanical keyboard switch) - Custom Best RGB Backlit Programmable Mechanical Keyboard China](http://www.pc-100.com/wp-content/uploads/Structure-of-optical-switch-for-mechanical-keyboard-3.jpg)
Photoelectric switches (optical switches) for mechanical gaming keyboard (optical mechanical keyboard switch) - Custom Best RGB Backlit Programmable Mechanical Keyboard China
![The Gateron Optical Switch with Force/Travel Testing - The Tesoro Excalibur SE Spectrum Review: A Mechanical Keyboard with Gateron Optical Switches The Gateron Optical Switch with Force/Travel Testing - The Tesoro Excalibur SE Spectrum Review: A Mechanical Keyboard with Gateron Optical Switches](https://images.anandtech.com/doci/11150/TESOROSESPECTRUM_02.jpg)
The Gateron Optical Switch with Force/Travel Testing - The Tesoro Excalibur SE Spectrum Review: A Mechanical Keyboard with Gateron Optical Switches
![The Gateron Optical Switch with Force/Travel Testing - The Tesoro Excalibur SE Spectrum Review: A Mechanical Keyboard with Gateron Optical Switches The Gateron Optical Switch with Force/Travel Testing - The Tesoro Excalibur SE Spectrum Review: A Mechanical Keyboard with Gateron Optical Switches](https://images.anandtech.com/doci/11150/TESOROSESPECTRUM_03.jpg)