Product basic info Primary colours: Black Additional colours: Blue Depth unit: 18 mm Height unit: 48.5 mm Width unit: 26.5 mm Weight unit: 56 g Technical data Battery capacity: 500 mAh Power supply Number of batteries: 1 Battery voltage rating: 9 V Battery composition: Alkaline Battery IEC size: E (6LR61, 6LP3146, 6F22, 6KR61, 6HR61 ,1604A, 1604D, 1604LC, 7.2H5, 11604, 11604M, PP3, 9-volt, 006P, MN1604) (EN)