Duracell Specialty 2016 lithium coin batteries are made with high-purity lithium with +60% extra life (vs. IEC standard test minimum average duration for 2016 Lithium Coins. Results may vary by device and usage patterns) for your specialty devices. They have up to 10 years of in-storage guarantee so you can be confident these lithium coin batteries will be ready when you need them. Baby Secure Technology: A non-toxic bitter taste ring-shaped layer with Bitrex applied on the back side of the cell to discourage swallowing from babies and toddlers. Tamper-proof packing: With double blister to avoid accidental opening - can only be opened with scissors. They are suitable for use in keyfobs, small remotes, scales, wearables, sensors, medical devices (glucometers, digital thermometers), sports devices (heart rate monitor, bike accessories). Pack of 2 batteries. 3V. Safety instructions: Keep new and used coin-sized button batteries out of sight and reach of children. Coin batteries are hazardous and can cause serious internal chemical burns if swallowed. Dispose of used batteries immediately. For more information, please visit the Button Battery Safety website. Manufacturer’s 1 year guarantee. EAN: 5000394203884.