Features: HUANO mouse microswitch, 20million clicks life, silver contact . 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: 20Million Clicks Quantity:10PCS Material: Plastic Packing Size:As Pictures Dot: White Dot Connector: 3Pins Package Includes: 10PCS Micro Switches (Without retail package) 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.