Technical specifications:

• This model is compatible with the keyboards: QwertyKey61, RK61, RK837, GamaKay K87, GamaKay K66, Keychron K2, K4, C1 and all hotswap keyboards with 3/5 pins.
• Brand: Outemu
• 3 pins
• Spring: 65g
• Travel: 4mm
• Switch Type: Linear