These Duracell Procell Constant AAA Batteries provide reliable power performance and can operate in temperatures ranging from -20 to 54 degrees Celsius. The batteries are ideal for remote controls, sensors, wireless mouse and security keypads. The batteries offer excellent resistance to corrosion. Designed to meet all major quality, safety and environmental standards. This pack contains 10 batteries. Size: AAA Ideal for remote controls, sensors, wireless mouse and security keypads Can operate in temperatures ranging from -20 to 54 degrees Celsius Reliable Performance Excellent resistance to corrosion Designed to meet all major quality, safety and environmental standards Safety: IEC 60086-5 ANSI C 18.1M, Part-2 EU Battery Directive Quality: ISO 14001 and 9001, Duracell World Class Continuous Improvement Program Pack of 10