PKcell AAAA ( LR61 ) Super Alkaline Battery with 8.1mm Diameter, 38.1mm Height, and 1.5V Nominal Voltage
This High-Quality battery offers extended service life and consistent discharge to keep your device running and deliver power when you need it and is great for use in Household Items, Key fobs, Door alarms, Remote controls, Laser pens, Bluetooth mobile handsfree earpieces, and other electronic products