The product is a set of two Philips CR2450 lithium batteries with a voltage of 3V, designed for low drain devices such as car fobs. These coin cell/button batteries have an amp hours of 0.15 Ah and are made of lithium chemical composition. With an expiration date of 2028, these batteries are ideal for long-lasting use in various electronic applications. Made in China, they provide reliable power for your everyday devices.