Made from high-quality lithium. A 10-year storage guarantee, ensuring that these lithium button cells will be operational when you need them. With Child Safety technology featuring a bitter-tasting sticker on the back of the battery and Child Safety packaging thanks to a double-layer, tamper-proof plastic shell, 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 (glucometers, digital thermometers), and sports equipment (heart rate monitors, bicycle accessories).