Combination Logitech MK120 Keyboard and Mouse USB Plug-and-Play Combination Specifications for technology Design that prevents spills on the keyboard 4. tested in a restricted environment with a maximum liquid spillage of 60 milliliters. The keyboard should not be submerged in liquid. Keyboard height adjustment 10. Keypad for numbers Caps lock indicator light The indicator light for the num lock Limit of 10 million keystrokes (number lock key excluded) Type of key: deep profile A mouse Technology for sensors: optical tracking There are three buttons (left/right and middle clicks). Line-by-line scrolling Scroll Wheel: Optical, indeed Click Here for Additional Information. Combination Logitech MK120 Keyboard and Mouse PERFORMANCE OF EITHER HAND Smooth tracking and a curved shape to support the palm are features of a full-sized, ambidextrous mouse that make navigation simple and comfortable. A COMPLETE KEYBOARD With its built-in number pad, this full-size keyboard makes data