1PC Original Kailh for GM Red Mouse Micro Switch Button 60 Million Click lifetime Features: Normal strength, crisp hand-free, uniform springback and no hysteresis. Life: 60 million times click Mater more→ial and structure: 24K gold contacts and grid-like contact. Quantity: 1PC CR value (hand for touch rate) The CR value is a parameter value that measures the feel of a button from the stroke and the velocity. Its calculation formula is CR=(OF-CF)/OF, (OF-Operation Force operating pressure, CF-Contact Force trigger pressure), according to research, one The feel of the fine micro switch, its CR value range will be controlled at 15% -35%, and the Kaihua for GM micro-switch, through continuous …