Energizer CR2032 Batteries 3V Lithium Coin Cell (4 Pack) - World's First 3in1 Child Shield Colour Alert Technology - Long-Lasting Power for AirTags, Key Fobs, Watches and Home Devices

3V LITHIUM COIN BATTERIES: One 4 pack of Energizer 3V Lithium Coin 2032 Batteries 3-IN-1 CHILD SHIELD: Featuring the world’s first 3-in-1 Child Shield with three lines of defense: Colour Alert, a bitter coating, and child-resistant packaging COLOUR ALERT: Colour Alert technology dyes the mouth blue seconds after contact with saliva to indicate possible ingestion BITTER COATING: Non-toxic bitter coating on each battery helps discourage ingestion CHILD RESISTANT-PACKAGING: Child-resistant packaging serves as the first layer of protection WITHSTANDS EXTREME TEMPS: Performs in extreme temperatures from -22 to 140 degrees Celsius for dependable power, even in the toughest conditions