HIGH SAFETY AND EASY INSTALLATION: - Avoid a service appointment for battery replacement, remote reprogramming is not required. Opening/Pry Tool included to help you open the remote without scratching or damaging your remote case.Please check the second product image to confirm compatibility: - Installation Videos + Tools IncludedSTABLE VOLTAGE OUTPUT & HIGH PERFORMANCE: - Using high quality core raw materials and precision manufacturing process make battery safer.(Long Lasting with long expiry date.)Compatible with Mazda (3 or 4 button) Smart Key Remotes- Mazda 3 (2010-2018), Mazda 6 (2009-2019), Mazda CX-3 (2016-2020), Mazda CX-5 (2013-2020), Mazda CX-9 (2010-2019), Mazda MX-5 Miata (2009-2019).Please confirm that your car key uses a CR2025 battery (found on the back of your battery), some key fobs may use a different battery. ( CR1616,CR1620,CR2025 and CR2032): ORIGINAL OEM BATTERY: - Original OEM Battery as Provided by Manufacturer, ensuring seamless compatibility and maximum performance for your fob. (Keyless entry remote fob not included.)