ARION Rapoo V500 Full Keys Programmable PRO Mechanical Gaming Keyboard With 2mm Trigger Stroke and Original Factory MX Yellow Switches for Laptops Desktops PC - BLACK Professional & long lasting - With mechanical key switches, a single key stands a life of up to 50 million operations, 2mm trigger stroke and 50g actuation force. 1000 times / s polling rate, real-time quick response. All keys on the keyboard are programmable (including single keys, combination keys and macro keys). The simplified operations allow you to be always one step in advance in the game. Built-in memory can save the keyboard configuration file in the game mode. All your playing modes will be stored thus totally under your control on any computer without the help of other software.