1.This led beads are mainly for mechanical keyboard DIY,you can use it for any MX mechanical keyboard which support adding led.Not only Cherry Gateron Kailh MX switches can use it,all MX switches keyboard which support LED can use it.
If you choose more than 15 lot,there will be some discount.If you put many options in the cart,the shipping will reduce when checking out.
2.There are many colors for your options.Rainbow fast means flashing fast rainbow led,rainbow slow means flashing slowly rainbow leds.Rainbow blink in auto.
The purple leds bulb is dark color which is not so bright,if you care about it,pls not order it.
3mm is round,2x3x4 is squre,1.8mm is the thinnest.If your keycap is very thick,you'd better choose 1.8mm led,if your keycap is under 1.5mm thickness,normal 3mm 2x3x4 should be ok.
3.Note: If you mix the color,just add per color to shopping cart and then pay all together which can save shipping cost.
4.How to add led for mechanical keyboard
Drop the keycaps,get the screws out and get the PCB board of the keyboard.Then use electric soldering iron to add the led.For the details,pls go on BBS to learn more.
3mm and 2x3x4mm