Tenergy's 5 Pack 3Volt battery CR1225 button cell battery, ideal for small electronics such as watches, lasers, pointers, medical devices, calculators, thermometers, small radios, small toys, and portable electronics. A low internal resistance enables these batteries to provide long lasting energy for small electronics. 10 Years storage life - Anti-leak design enables long term storage life Made from non toxic metals like mercury, these CR1225 batteries are enhanced with an anti-leak design and built to last Different name same battery - Replaces similar size as CR1225, DL1225, ECR1225, BR1225, DL1225B, BR1225-1W, CR1225-1W, KCR1225, LM1225, 5020LC, L30, ECR1225EN Technical Specs Battery Size: CR1225 Voltage: 3V Chemistry: Lithium Shelf life: up to 10 years Date code: Yes Dimensions: 12.5 x 12.5 x 2.5mm Used For forehead/body thermometer, cooking thermometer, key fobs, watches, calculators, toys, cameras, glucose meters, bathroom scales, car tire pressure tester, Key-less Car Remotes, and all other devices that requires this battery size. Note: Some thermometer may display "Lo", such as thermometer, this means the temperature is too low to detect, not the battery.power status