DURACELL CR2032 COIN CELL SPECIALITY LITHIUM BATTERY 4 PACK?

Made with high-purity lithium, ideal for speciality devices. Suitable for use in key fobs, small remotes, scales, wearables, sensors, medical devices such as glucometers and digital thermometers, or sports devices including heart rate monitors and bike accessories. Features Baby Secure tamper-proof pack with double blister, which can only be opened with scissors. Batteries have non-toxic, bitter tasting layer on one side to discourage children swallowing.*70% extra life vs. Electronic Key IEC standard test minimum average duration for 2032 Lithium Coins. Results may vary by device and usage patterns (www.iec.ch) .