The product is a set of 4 Duracell A23 12-volt batteries, which are alkaline and have a weight of 0.63 lbs. These batteries have a voltage of 12V and an amp hours of 0.8 Ah. They are 9V block batteries with dimensions of 3.5 inches in depth, 0.45 inches in height, and 3.5 inches in width. This product is ideal for use in various electronic devices that require 12-volt batteries.
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