The product is a set of 2022 NEW (4) 13540607 TPMS Tire Pressure Sensors designed for GMC, Chevy, and Cadillac vehicles such as the XT4. These bolt-on sensors are made of metal and rubber, ensuring durability and functionality. They come with a 1-year manufacturer warranty and are direct fit sensors that require calibration using a diagnostic tool. Easy to install, these sensors are designed for the rear, left, front, and right placement on vehicles, providing accurate tire pressure monitoring with a frequency of 315MHz. Product is New but not in Original packaging due to getting in bulk.