The product is a pack of 12 Energizer Industrial 9 Volt Alkaline Batteries, with an expiration date of 2026. These batteries are designed for industrial use. They are 9-volt block batteries with a chemical composition of alkaline, making them reliable for a variety of electronic devices and power applications. With a voltage of 9V and a long-lasting chemical composition, these batteries are a reliable and efficient power source for a range of consumer electronics and industrial devices.