SAFE AND RELIABLE - Tested under strict quality control standards. Long battery life and lasting power. SIMPLIFIES BATTERY REPLACEMENT - No need to book an appointment for battery replacement, no need to reprogram the remote. The included tool helps open the remote and remove the batteries without damaging the remote's housing. NOTE - There are four types of batteries that fit Subaru remotes, namely: CR1220, CR1620, CR2025 and CR2032. Please check the MODEL and YEAR of your car before purchasing to avoid buying the wrong type of battery (Or check the model number printed on the old battery. Package of two (2) CR1620 Remote Batteries + (3) Opening/Pry Tools. Installation video included: OEM CR1620 BATTERIES TESTED TO WORK WITH - FCC IDS CWTB1G077, CWTWBU766 and CWTWB1U811. Same batteries as provided by OEM original manufacturers in all (3 or 4 Button) keyless REMOTE HEAD KEY FOBS (as shown in product photo). (Keyless remote not included.)