Features: HUANO mouse microswitch, 5million click 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: 5Million Clicks Quantity:8PCS Material: Plastic Packing Size:As Pictures Dot: White Dot ConnectorL 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: 8PCS Micro Switches (Without retail package)