Keyboard Spill-resistant design Adjustable keyboard height 10-Key number pad Caps lock and Num lock indicator lights Durable: Up to 10 million keystrokes (excluding number lock key) Key type: Deep profile Mouse Sensor technology: Optical tracking Buttons: 3 (Left/Right-click, Middle click) Scrolling: Line-by-line Scroll wheel: Optical AUTHORIZED 3 YEARS WARRANTY
