High performance quality Brand product produced in Germany Micro AAA battery reserve package, alkaline batteries at an offer price, 40 units in a practical packing 10 years of durability, watertight, durable and certified according to the NORTA international: DIN EN ISO 9001: 2008 and DIN EN ISO 1 4001: 2005 For devices with a high demand for energy such as, for example, toys by remote control, controls, mice, radios, lanterns, scales, medical devices, etc. apt For thermometers, mice and wireless keyboards, electronic robots, remote controls, lamps, lighting, electronic tools, etc.