Bluedot Trading CR1225 Coin Button Cell Battery 3V Lithium-Metal for Thermometers, Fits the Vicks ComfortFlex Thermometer, Watches, Key Fobs, Laser Pointers, Medical Devices, Calculators, and More. Works for: Laser Pointer Insulin Pumps, Heart Rate Monitor, toys, watches, Cameras, Calculators, Car Security Alarm, Keyless Car Remotes, Organizers, Computer Equipment (memory backup battery) CMOS, and all other devices that requires this battery size. Single Use, Non-Rechargeable. Dimensions: 12.5mm × 2.5mm. Capacity: 48mAH. Contains NO Mercury. Alternative/Interchangeable Common Names (varying by brand/manufacturer): CR 1225, CR1225, DL1225, EBR1225, BR1225, V1225, GuardPLC 1200, 1745 BAT, 1754 BAT, KL1225, CR1225E, AWI L09 BR1225/BE, HIMA TN 440000020, 1754 L28BBB. A low internal resistance enables these batteries to provide long-lasting energy for small electronics. These batteries offer high performance in a small package, simple to replace, and include engraved identification so you can easily recognize the battery model.