Features: for HUANO mouse microswitch, 30million clicks life, silver contact . for HUANO is tailored specifically for the button, the model of fretting, feel very small deviation-. As long as your original mouse is rectangular 3pins straight foot micro move, universal Crisp-feeling, medium and short stroke, compact-rebound.Less lag than similar products-, nominal- all conservative life! Smooth operation, improve switch accuracy. Specifications: Model: HUANO Mouse Micro Switches Life: 30Million Clicks Quantity:10PCS/2PCS Material: Plastic Packing Size:As Pictures Dot: Yellow Dot Connector: 3Pins Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-2mm error due to manual measurment. Package includes: 10PCS/2PCS Microswitches (Optional)