HERO Sensor: Our most accurate sensor with pixel-precise tracking at up to 400+ IPS max speed, 16,000 max DPI, and 10x less power consumption than our previous generation 32-bit ARM Processor: Processor with onboard memory and 1ms report rate Onboard Memory: MX518 comes fully loaded. Save up to five profiles to the onboard memory, using Logitech Gaming Software (LGS) or Logitech G HUB, and take them with you On-the-Fly DPI: Cycle up and down through as many as five DPI settings with a single click of the buttons directly above and below the wheel 8 Programmable Buttons: 8 buttons to program custom commands and macros