ANSMANN Alkaline battery for garage doors / alarms / doorbells. Brand quality for many applications. The high-quality battery is the ideal energy source for a wide range consumers. From calculators and car keys to digital cameras or garage door openers. Reliable, durable and long shelf life. The battery provides reliable performance and durability at a very good price-performance ratio. Usable for: garage door opener, alarm system, Mini Radio, Remote Trigger for Camera, Meters, bell, Watches, calculators, car keys, digital cameras, toy, Remote control, etc.