HIGH-QUALITY: Each remote fob key replacement comes with a battery and electronics. It's a 100% Brand New Keyless Fob Key Remote, ready to program, fully pre-tested with professional tools before shipping.NOTE:2 x 3 Button appearance. This keyless entry transmitter only works on regular key Vehicles. Please make sure that all the information, button function, and location of the remote key fob are consistent with our description and pictures.COMPATIBILITY: With remote key fob replacement for Ford F-100/F-150/F-250/F-350/F-450/F-550/Flex/Expedition/Edge/Escape/Excursion/Escort/Explorer/Econoline/E-150/E-250/E-350/E-450/E-550/Focus/Fusion/Freestar/Ranger/Windstar/Taurus XFor Mazda Tribute/B2300/B2500/B4000/B3000For Mercury/Lincoln. For double check,you may check the vehicle fitment tool above and description for exact match.PROGRAMMING: The instruction link for self-programming is already printed on the outside of the package,No credit card Info is required.If the programming process is difficult or complicated for you, or if you do not have the original remote control, it is best to get a locksmith or dealer to help you program it.REPLACEMENT: For keyless entry remote Car key FCC ID ( Part Numbers): CWTWB1U345, CWTWB1U331, GQ43VT11T, CWTWB1U212, 8L3T-15K601-AB, 2L3T-15K601-AB, F87B-15K601-AB, 8L3Z-15K601-AA, 164-R8007, OUCD6000022, 164-R8070. Frequency:315Mhz.