HP PS/2 Standard Keyboard - Provides optimal tactile characteristics for heavy keyboard users; Introduces user-selectable, zero-degree slope for potential wrist-posture improvement and associated usage comfort; Key-mechanism lifecycle rated to 20 million keystrokes - suitable for long service life and heavy duty usage; Incorporates a spill-drain feature to minimize damage from accidental fluid spill
HP PS/2 2-Button Optical Scroll Mouse - Improves precision by using optical tracking; Provides more durability and easier maintenance by eliminating moving parts; Comfortable design fits either hand; Wheel permits easy scrolling, functions as third button