Features: With a small size and easy installation, these button batteries is perfect for on traveling use. They provide long lifespans and stable voltages output, making them for low power devices. Suitable for small electronic devices such as watches, calculators, light, remotes control, and small toy Craft from quality metal, these button batteries offer stable performances and durability. Their small size allows for convenient carrying and installation. Despite their lower energy density, they provide stable power supplies for various low power devices. Suitable for everyone, these button batteries is suitable for individuals of all age who need to power their small electronic devices. From classrooms to offices, these button batteries find their place in various setting. Use them in watches to keepings track of time during meetings, in calculators for accurate calculations,light for emergencys situations, and in remotes control for entertainment control. Specifications: Material:Metal Size:Approx.11.6x5.4mm/0.46x0.21inch Model:AG13/L1154/LR44 Voltages:1.5 V Note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color. Package includes: Package A 10pcs LR44 Batteries Package B 20pcs LR44 Batteries