This CR2430 Cell from Energizer is a single use button cell battery which is found in small electronic devices around the home and office. Good examples are calculators and watches but this CR2430 cell will directly replace the cell in any device which requires a CR2430 3V battery.
The lithium chemistry in this battery makes it suitable for storage. It can also go long periods of disuse without any degradation in performance.
Always read the label and follow the directions for use.