Product basic info Primary colours: Grey Primary detailed colours: Metallic silver Diameter unit: 7.9 mm Depth unit: 1.2 mm Weight unit: 0.27 g Physical properties Number of pieces: 1 Technical data Battery capacity: 10 mAh Battery system: Ag Power supply Battery voltage rating: 1.55 V Battery composition: Silver-Oxide Battery IEC size: SR712 (SR712SW) (EN)