5 DPI Stages with DPI Stage Switching Button Instant Lower DPI for Sniping Aim Assist Auto Repeat Function for Low-Recoil Burst Shooting Ergonomic Ambidextrous Design Weight-In System The Echelon Laser, under its camouflage design, provides many powerful features, including pixel-precise tracking, rapid 1ms response time, 5 customizable DPI stages with a DPI switching button, a DPI clutch, auto repeat function, 8 customizable macro keys & comfortable ergonomic, making it the one true ultimate weapon for gamers!