The product is a pack of 2 Energizer CR2012 3V Lithium Coin Cell Batteries, known for their long expiry dates. These batteries are ideal for various devices, both high and low drain, and are reliable for a range of applications. With a voltage of 3V and made of lithium chemical composition, they offer a consistent power source for extended periods. The Energizer brand ensures quality and durability, making them a practical choice for everyday use.