[Direct Replacement]: This ice maker sensor control board kit directly replaces part numbers 2198585, 2198586, 2220398, 2220402, 2255114, 4388635, 4389102R, W10193666, W10193840, W10290817, W10757851, AP3137510, AP5956767, ADC9102, TJ4389102R, TJ4389102L, PS10064583, PS557945, ensuring compatibility with a wide range of refrigerator models. [Compatibility]: Specifically designed for refrigerators, this 4389102 ice maker transmitter works seamlessly with your appliance to monitor and control ice production, ensuring your ice maker operates efficiently and effectively. [Advanced Functionality]: Equipped with an infrared light system, this ice level control board accurately monitors the ice level within the bucket. It ensures optimal ice production by halting when the bucket is full, preventing overflow and maintaining the perfect amount of ice. [Easy Installation]: Installation of this ice maker control board is straightforward. Simply disconnect power, remove the old board, Detailed instructions included in the package facilitate a quick and safe installation process. Application: Refrigerator Control Panel Colour:Green Material:FR-4 Package Contents: 1 x transmitter board 1 x receiver board 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.