EnergizerA(R) Specialty Lithium batteries have been developed to provide optimum, long-lasting performance for your film and digital cameras. Batteries so dependable that you can count on them shot after shot. Also deliver long-lasting power to keep up with today&';s high-tech flashlights, flash units, rifle scopes and night vision goggles, you can rely on your gadgets to work through your whole trip. 3 Volt predominately used in film cameras Also used in high-end flashlights and medical devices Perform in extreme temperatures from -40AdegF to 140AdegF Holds power for 10 years when not in use Leak resistant construction