Duracell Specialty 2032 lithium coin batteries are made with high-purity lithium and are guaranteed to have long lasting power for your specialty devices. To help ensure the safety of your children, they have been designed with child resistant packaging: tamper-proof pack with double blister so that it is impossible for a child to open without scissors. They are suitable for use in keyfobs, small remotes, scales, wearables, sensors, medical devices (glucometers, digital thermometers), sports devices (heart rate monitor, bike accessories).