Created for professional applications, Procell AAA batteries offer dependable, long-lasting power. Use in motion sensors, testing equipment, remote controls, flashlights, calculators, clocks, radios, wireless mice, wireless keyboards & portable electronics. These alkaline batteries meet the standards of durability & longevity that professional users demand & expect. Reliable operation continues in extremes from negative 4 degrees to 129 degrees Fahrenheit. Durable design ensures storage for 7 years.