This 27A 12V alkaline battery provides reliable power for a wide range of remote control devices. With 3-year shelf life and leak-resistant design, it's a dependable choice for daily use and backup needs.【Specifications】Battery Type: AlkalineModel: 27A / MN27 / A27Voltage: 12VSize: 28.2mm x 8mmWeight: Approx. 4gTerminal Type: Flat TopShelf Life: 3 YearsOperating Temp: -10°C to 50°C (14°F to 122°F)【Compatible Devices】✔ Car remote keys✔ Garage door openers✔ Home alarm systems✔ Wireless doorbells✔ Keyless entry systems✔ Remote control toys✔ Projector remotes✔ LED light remotes