Duracell Specialty Electronics Button Batteries CR2016, blister pack of 4 pieces

Made from high-quality lithium. A 10-year storage guarantee, ensuring that these lithium coin cells will be operational when you need them. Child Safety technology with a bitter-tasting sticker on the back of the battery and child-proof packaging with a double-locking plastic shell, making it impossible for a child to open without scissors. These batteries are designed for use in car keys, small remotes, scales, connected devices, sensors, medical devices (glucometers, digital thermometers), and sports equipment (heart rate monitors, bike accessories).