This Energizer 2430 Battery is designed to be long lasting and is perfect for use in everyday and specialty devices | Dependable performance in devices like heart-rate monitors, keyless entry, glucose monitors, toys and games | Holds power for 8 years in storage for electronics around the house, like keyless entry, electronic books and glucose monitors | Energizer goes beyond the basic battery sizes to bring you the ones you need || WARNING! KEEP OUT OF REACH OF CHILDREN | Button and coin batteries are hazardous. Ingestion can cause severe chemical burns, perforation of soft tissue within hours, and death. Seek immediate medical attention if you suspect a battery has been swallowed. Call the Australian Poisons Information Centre on 131 126 (available 24/7) for fast expert advise.