The Procell Lithium Intense Power CR123 industrial batteries are designed to provide reliable and safe power in professional equipment. Design, safety, manufacture and qualification follow Procell's stringent battery standards, which conform to 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 degrees Celsius. Size: CR123 3V Ideal for electronic door locks and motion sensors 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