Duracell MN21B2PK Watch/Electronic/Keyless Entry Battery, 12 Volt Alkaline

MN21B2PK05 Features: -Battery. -2 Per card. -MN21 or A23. -Designed for security devices. -Battery type: Alkaline. Size: -A23. Pack Size: -2 Per Pack. Product Type: -Alkaline/Lithium. Generic Specifications: -Voltage: 12 V. Dimensions: -Depth: 0.46". Overall Height - Top to Bottom: -3.5". Overall Width - Side to Side: -44.7 Millimeters. Overall Product Weight: -0.04 lbs.