Zero mercury Energizer CR2032 batteries offer premium performance in a variety of devices Holds power for 8 years in storage Lithium Battery with Child resistant Packaging Replacement for: 5004LC, BR2032, DL2032, ECR2032, ST-T15 Energizer batteries are designed not to leak in devices during their usage and for up to two years after they are left in a device Replacement for BR2032, DL2032, ECR2032 2032 Retail packaging The Energizer 2032 lithium coin battery offers dependable performance in household devices like heart-rate monitors, keyless entry, glucose monitors, games, toys and more. WARNING (1) KEEP OUT OF REACH OF CHILDREN. Swallowing may lead to serious injury or death in as little as 2 hours due to chemical burns and potential perforation of the esophagus. Immediately see doctor, have doctor phone (202) 625-3333. Keep in original package until ready to use. Dispose of used batteries immediately. (2) Risk of injury due to fire, explosion or leakage. Do not disassemble, charge, crush or expose to fire or high temperatures. Energizer is the first battery manufacturer to create a child-resistant package that complies with the safety standards and recommendations made by the U.S. Consumer Product Safety Commission (CPSC).