The product is a pack of 2 x CR123 Duracell 3V Lithium Photo Batteries with a long expiry date. These rechargeable batteries are part of the Duracell High Power Lithium range and have a capacity of 1500mAh. They are ideal for high drain applications and have dimensions of 34mm in height and 17mm in diameter. The batteries are lightweight, weighing 25 grams each, and are manufactured in China. Each battery has a voltage of 3V and is guaranteed to have the longest expiry date.