Duracell MN21 A23 high voltage Battery remote control battery.
Also known as an A23 12v this battery is common in many security devices, Car Alarm fob, Garage Door Fobs, Burglar Alarms and Smoke Detectors.
This high quality alkaline battery offers superior performance with a long operational life, as well as performing at a wide range of operating temperatures.
Battery Size: A23 (23A, MN21)
Pack size: 10 Batteries (five retail packs of two batteries)