The product is a pack of 2 Energizer CR2025 Lithium 3V Coin Cell Batteries. These batteries are of high quality and are ideal for a variety of uses such as in calculators, watches, and small electronic devices. With a voltage of 3V and a lithium-based chemical composition, these batteries provide reliable power for a long time. The compact size of the CR2025 makes them convenient to use in a range of devices that require small, efficient batteries.