ENR BATT ALKLN A23 1PK BATTERY ALKLINE 12V A 23 *Brand Name: Energizer *Battery Type: Alkaline *Battery Size: A23 *Volts: 12 V *Battery Capacity: 0.05 mAh *Product Type: Electronics Battery *Number in Package: 1 pk *Usage: Keyless Entry *Packaging Type: Carded *Diameter: 0.41 in. *Height: 1.12 in.