The product is a set of 5 branded CR2025 lithium coin cell batteries with an expiration year of 2029. These high-quality batteries are ideal for use in a variety of consumer electronics and other applications that require a reliable power source. With a voltage of 3V and a lithium chemical composition, these batteries are long-lasting and provide consistent performance. Made in the United States, these batteries are a convenient and efficient choice for powering a range of devices.