Fitted with hot-swap socket types including Outemu, Kailh and Good replacement switches for Cherry, for Kailh, for , for and for switches Approximate lifespan of 60 million times of keystrokes based on the laboratory durability test Equipped with LED slot ready for LED Mod/Assembly, and are SMD compatible (LED underneath the switch) Come with MX style structure so would fit most keycap sets with (X) stem Type:Linear Actuation Force:40gf 5gf Total Travel:3.0 0.3mm Pre-Travel:1.0 0.5mm Tactile Position:N/A Tactile Force:N/A Compatible with most mechanical keyboards with 5-pins hot-swappable socket Colour:As Shown Material:POM+PC Stem:POM with extension spring Housing:PC Bottom:PC Package Contents: 45 * Keyboard Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.