Details: Energizer A23 Batteries (2 Pack), Miniature Alkaline Small BatteriesEnergizer A23 Batteries provide reliable power to your important gadgets. These mini batteries are compatible with a variety of devices, including your keyless entry system, bluetooth headsets and home security systems. Reach for these 12V small batteries when you need replacement camera batteries or a new garage door opener battery. Miniature alkaline Energizer batteries contain zero mercury to reduce environmental impact. Count on Energizer, the #1 brand of specialty batteries, to deliver dependable, long lasting power to your devices.2 pack of Energizer Miniature Alkaline A23 Batteries for devices that require specialty batteries Small batteries that provide big power to the important devices you depend on every day Use these batteries to power your electronic gadgets, including bluetooth devices, cameras and video game controllers Ideal for garage door openers and keyless entry systems Alkaline batteries that contain zero mercury to provide long lasting power and reduce environmental impact Energizer is the #1 specialty brand of battery, ensuring dependable power when you need it This A23 battery pack replaces 1181A, A23BP, DL21, DL23, MN-21B, MN21 and V23GA batteries