- Pack of 4 Ansmann LR20 D alkaline batteries, model 5015581, designed to offer long life and consistent performance - Ideal for everyday electronic devices such as remote controls, flashlights, alarm clocks, and wall clocks - Operate efficiently in a wide temperature range from -20°C to +50°C, ensuring reliability in various conditions - Manufactured by Ansmann, a leading brand in portable energy solutions - Provide stable and safe power for devices with consistent consumption - Standard measurements that make them easy to use and replace in most compatible devices - Recommended option for those looking for long-lasting, quality batteries for home or office use