Product features: Vielstedter Elektronik, Lithium battery, 3V, CR 2032 Brand: Vielstedter Elektronik. Article number: 31,660 P Product data at a glance: Model Type: CR 2032. Technology: Lithium. Voltage: 3.0 volts. Capacity in mAh: 235. Diameter: 20.0 mm. Height: 3.2 mm. Package size/blister: 1 pc. Information pursuant to Section 18 of the Battery Act: You can return the batteries free of charge to any retail outlet that sells similar batteries. You can also return the batteries to us. As an end user, you are legally obligated to return used batteries. The symbol of a crossed-out trash can printed on batteries (Section 17, Paragraph 1 of the German Battery Act) means: It is prohibited to dispose of batteries in household waste. The chemical symbols for the metals (Section 17, Paragraph 3 of the German Battery Act) have the following meanings: Hg means mercury, Cd means cadmium, and Pb means lead. Source: www.vielstedter.de and information from the catalog As of September 2023