The product is a genuine Keurig K2.0 K500 K400 K543 Main Board Circuit Motherboard, designed as an OEM replacement part for Keurig pod coffee machines. It is a green circuit board unit made in China, suitable for models such as K2.0 K400, K2.0 K500, K500, and K400. This unit is essential for the functioning of the coffee machine, ensuring proper brewing and operation. Ships Fast!