High-performance Panasonic 3V Lithium Coin Cell battery pack of 1 (CR2032) suitable for a wide range of applications including remote controls, heart rate monitors, watches, cameras, calculators, and more. Nominal Voltage: 3V, Nominal Capacity: 220 mAh, Diameter: 20mm, Height: 3.2mm, Approx. Weight: 2.9g. Operating temperature: -30 to 60 degrees C.