Battery 9V Everyday Capacity - Batteries 600 mAh Standard Battery Series Max Battery Chemistry Alkaline Voltage - Batteries 9V DC Standard Battery Pack Size 2 Max Operating Temp 122 Degrees F Min Operating Temp 0 Degrees F Shelf Life 5 yr Standards ANSI IEC Height 1.8 in Overall Height 1.9 in Width 1 in Depth 0.7 in Package Quantity 2