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).