It serves as a critical component for the television’s functionality. Compatible with VIZIO E550I-A0 model. Essential for TV operation. Lightweight assembly for easy integration. This main board assembly ensures the optimal performance of your VIZIO TV. It replaces faulty components, restoring function to your television. Item Description : MAIN BD ASSEMBLY E550I-A0. Length : 8.0 inches. Width : 7.0 inches. Height : 1.0 inches.