The LR1130 Button Cell Alkaline Battery from Maxell is a stable yet powerful battery which can be used in combination with other similar battery cells to power up your wrist watches, laser pointers, cameras, calculators and more. It has a nominal voltage of 1.5 V and a capacity of 68mAh which is sufficient enough for a lot of devices. Its small size allows this cell to be used in particularly small devices which don't have enough space to be powered up AA or AAA sized batteries. .(1)Button cell battery which has a small size.(2)Nominal voltage of 1.5V which is enough for a lot of devices.(3)Suitable for watches, insulin pumps, camera, calculators, toys and more.(4)Long lasting cell which can provide power for years at a stretch..