Panasonic CR2032 batteries are engineered to provide reliable long-lasting power Reliable even in a wide range of operating temperatures (14°F to 140°F) These Panasonic CR2032 batteries and packaging meet or exceed IEC 60086-4 2019 ANSI c18-3m part 2-2019 and UL 1642 compliance standards Long shelf life of up to 8 years 3. 0 V nominal voltage Panasonic CR2032 coin cell batteries are great for use in car key FOBs, watches, calculators, garage door openers, toys, LED lights, games, MP3 players, digital voice recorders, remotes, door chimes, sporting goods, calorie counters, stopwatches, glucometers, and many more devices made in Indonesia