Because cooking rice shouldn't be harder than pressing a button. The inner pot is made from a non-stick material making it super easy to clean and maintain. KEEP-WARM FUNCTION, SMART STEAM – The rice cooker switches automatically into keep-warm mode as soon as the rice has cooked, ensuring deliciously fresh rice for long hours and the 2-light indicator on the front of the machine will indicate when the rice is either being cooked or being kept warm.