1. This link is only the shaft and switches for mechanical keyboard. All box switches are newest edition with new stem. 2. It can only be used with SMD led, can't use switch led. All box switches in our stock are new edition, won't break GMK keycap. It can be compatible with 2x3x4mm led and 1.8 mm led, however need to solder led to PCB at first, then solder switches on. 3mm round can't use even you solder led before switches. 3. The life-time is around 80 million times which is longer than usual switches.
4. This switch is IP56 water-proof and dirt-proof. Has used 18k gold crosspoint technology which makes press feeling better. BOX Heavy Dark Yellow is linear switches, around 70g operating forceBOX Heavy Burnt Orange is tactile not clicky, around 60g operating forceBOX Heavy Pale Blue is tactile clicky, around 60g operating forceBox Navy is tactile clicky, spring force is the same as heavy pale blue, and the clicky feeling is more obvious. Box Jade is tactile clicky, spring force is same as box white, the clicky feeling is little resistant feelingBox Royal is tactile not clickey, actuation is around 75g, the feeling is close to Cherry clearBox Pink is tactile cliky switches, operating force is around 55g15gf, tactile force is around 65g10gfBox White is tactile clicky switches, around 45g operating forceBox Black is Linear switches, around 60g operating forceBox Red is linear switches, around 45g operating forceBox Brown is tactile switches, around 45g operating force