The product is a pack of 5 Kodak CR2025 3V Max Lithium Batteries, which are coin cell/button batteries with a voltage of 3V. These batteries have a 10-year manufacturer warranty and are made with lithium chemical composition. They are designed for single use and are ideal for powering various consumer electronics devices. The batteries come with an expiration date of 07/2031, ensuring their freshness and reliability for a long time. Made in China.