This product is two packs of 2 Duracell MN21 A23 12V alkaline batteries, suitable for high drain devices. The batteries are designed for use in devices that require a 12-volt power source, such as key fobs, garage door openers, and remote controls. These single-use batteries are known for their reliability and long-lasting power, making them ideal for various applications in sound and vision equipment. The Duracell brand is well-established and trusted for providing quality batteries for everyday use.
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