This product is a 1 x CR1216 button cell lithium battery. The CR1216 battery is commonly used in a variety of stand-alone devices including wrist watches, clocks, calculators, remote controls, electronic games/toys and much more. This versatility makes the CR1216 coin cell battery a popular item and a must-have item for any modern household. High Energy offers the precise and powerful energy needed in high drain devices. Being the world's leading battery manufacturer, Panasonic fulfills the diverse needs of the market with improved relaunch performance.