AT98 USB KEYBOARD ALPHA OPTICAL SWITCH BLACK/RED BLOODY A4 TECH 4 Customizable Variable Speed Profiles eXact Reset System Stealth Quiet Typing Switch Type: Linear Durability: 100 Million Keystrokes Initial Force: 48 ± 3 cN Min Total Travel Distance: 3.8 ± 0.2 mm Actuation Point Customization Range: 1.0 ~ 2.6 mm Report Rate: 1000Hz/1ms Keycaps: PBT Keycaps Backlit: 7 RGB Backlit Effects SKU: 30.1052 Categories: Gaming, Gaming & Mechanical Keyboards, Gaming Keyboards, Keyboards, OPTICAL DRIVES, Peripherals