Energizer Electronics Battery *Battery Size: A27 *Battery Type: Alkaline *Product Type: Electronics Battery *Volts: 12 volt *Number in Package: 1 pk *Packaging Type: Carded *Usage: Keyless Entry *For use in keyless entries and garage door openers *Replacement for 27A, A27BP, G27A, GP27A, L828, MN27 G27A, GP27A, L828, MN27