Energizer Ultimate Child Shield 2016 Coin Lithium Batteries have a superior number of safety features: Ingestion Burn Protection, Color Alert, a bitter coating, and secure packaging. Innovative Ingestion Burn Protection prevents burning if ingested. Only Energizer has Color Alert technology that dyes the mouth blue seconds after contact with saliva to help alert caregivers to act fast. The non-toxic bitter coating helps discourage ingestion, while the child-resistant packaging helps prevent child access to batteries. Energizer CR2016 batteries perform in extreme temperatures ranging from -22 to 140 degrees Fahrenheit for dependable power, even in tough conditions. Reach for these Energizer batteries when you need watch batteries, key fob batteries, remote batteries, or batteries for glucose monitors and heart monitors. Energizer Coin Lithium Batteries are also an ideal power source for your keyless entry system, toys and games. Lasting up to 12 years in storage, these lithium batteries provide reliable power when you need it.