Energizer LR1 Alkaline battery, 30.2mm height, 12mm diameter and weighs 9.2g and has a capacity of 1000.0mAh. Suitable for many digital cameras, calculators and car alarms. Lasts up to 7 times longer than normal batteries. Replaces: 4001, 910A, AM5, E90, KN, LADY, LR1, MN9100, MN9100/N, N, UM-5, UM5.