Duracell lithium button cell batteries 2032 are designed for keys with magnetic sensor, small remote controls, scales, technological accessories, sensors, medical devices, and sports devices. Baby Secure Technology: Incorporates a non-toxic layer in the shape of a ring and a bitter taste to deter children and babies from ingesting the product. Special Duracell lithium button cell batteries 2032 with +70% extra duration. Tamper-proof packaging with double blister. They use high purity lithium. Available in various sizes. Packaging may vary.