Procell Lithium Intense Power CR2 industrial batteries are designed to reliably and safely power professional equipment. Design, safety, manufacturing, and qualification follow strict Procell battery standards, which include parts that meet ANSI and IEC standard requirements. Packed inexpensively. Child-proof packaging: anti-counterfeiting packaging with double blister so that it cannot be opened by children without scissors. Operating temperatures from -20 to 60 degress Celsius. Size: CR2 3V Ideal for door locks, thermostats, smoke detectors, security cameras and flashlights Can operate in temperatures ranging from -20 to 54 degrees Celsius Reliable Performance Excellent resistance to corrosion Low self-discharge with long operating life Designed to meet all major quality, safety and environmental standards Pack of 10