Duracell CR2032 lithium coin batteries are made from high-quality lithium, providing +70% longevity* for your devices (* compared to the IEC standard minimum average duration of lithium coin batteries 2032. Results may vary by device and usage) They come with a 10-year storage guarantee, ensuring these lithium coin batteries will be operational when you need them. To help ensure your children's safety and prevent the risk of ingestion, Duracell has developed Child Safety technology with a bitter-tasting sticker on the back of the battery and child-safe packaging with a double blister design, making it impossible for a child to open without scissors. These batteries are designed for use in car keys, small remote controls, scales, connected devices, sensors, medical devices (glucose monitors, digital thermometers), and sports equipment (heart rate monitors, bicycle accessories).