The KPNP K1 keypad is a control device used by operators in Taekwondo competitions to manage the scoring system with shortcut keys, making it easier to run a match. It is a component of the KPNP PSS (Protective Scoring System), which is an electronic scoring system used for Taekwondo matches. The K1 model is a specific type of control that provides a basic interface for managing the competition.