The product is a pack of 6 Energizer A544 4LR44 476A PX28A 3131 6V Alkaline Batteries. These batteries are ideal for a wide range of sound and vision devices, providing reliable power for extended periods due to their long expiry date. Manufactured by Energizer, known for their quality products, these batteries are made in China and come in a unit quantity of 6. With a voltage of 6V and a chemical composition of alkaline, these batteries offer a convenient and efficient power solution for various electronic devices.