Made from high-purity lithium for reliable, long-lasting energy. Up to 10-year in-store warranty so you can rest assured that these lithium coin cell batteries are ready to use when you need them. With Baby Secure packaging, a secure packaging with a double protective layer that is impossible for a child to open without scissors. Baby Secure Technology: A non-toxic, bitter-tasting ring-shaped layer containing Bitrex® on the back of the coin cell battery discourages babies and toddlers from swallowing the battery. For use in electronics (cycle computers, scales, clock radio, electronic agenda), security (bank card reader), medical devices (glucometers, heart rate monitor), fitness equipment (pedometer) and lighting.