Duracell Special 2025 Lithium Button Battery 3V, 2 Package (CR2025) Keychains, weighings, wearable items and medical devices are suitable for use

Number of Batteries 2 Lithium metal batteries are required. (batteries included) Brand Duracell Battery Cell Composition Lithium Manganese Dioxide Recommended Uses for the Product Bike Number of Units 2 piles