Lithium 3.0 volt batteries are designed for use in watches, calculators, PDAs, electronic organizers, garage door openers, toys, games, door chimes, pet collars, LED lights, sporting goods such as pedometers, calorie counters and stopwatches, and medical devices such as digital thermometers and glucose monitors. The 2032 battery does not contain mercury. It holds power for eight years in storage.

For Multipurpose - CR2032 - 4 / Pack