These Allmax MAX2A4 Alkaline Maximum Power Batteries AA4 LR6 1.5V 4 Pack are compatible with devices such as Remote controls, flashlights, toys, digital cameras, Xbox controllers, clocks, screwdrivers, toothbrushes, wireless electronics, calculators, garage door remotes, door locks, meters, carbon monoxide detectors, alarm sensors, blood pressure monitors, blood glucose monitors, scanners, infusion pumps, baby monitors, musical instruments, and face scrubbers.