Battery, 9V, Everyday, Capacity – Batteries 600 mAh, Standard Battery Series CopperTop, Battery Chemistry Alkaline, Voltage – Batteries 9V DC, Standard Battery Pack Size 12, Max. Operating Temp. 130 Degrees F, Min. Operating Temp. -4 Degrees F, Shelf Life 5 yr, Height 1.8 in, Overall Height 1.9 in, Width 1 in, Depth 0.7 in, Package Quantity 12