Part Numbers/FCC ID: OUCD6000022, 164-R8007, 164-R8046; Frequency: 315MHz; Chip: 63 80. Note: Not a key shell, it is a whole key. Proximity Fob Fits for Ford C-Max 2013-2019, for Ford Escape 2012-2019, for Ford Focus 2012-2019, for Ford Transit 2014-2017, for Ford Transit Connect 2014-2018. Pros of Our Keyless Remote: With built in chip, sensitive response, 3 buttons car key: remote locking, unlocking, panic. Fast response, wireless remote control. Notice Programming: This remote and door key must be programmed and cut by a qualified locksmith or dealership(Need to pay extra money for programming or cutting)(consult some different locksmiths before programming to ensure it is successful).NOTE a working key fob was needed in order to add a new key. Package for Car Key Fob:1 x Car Keyless Entry Remote (Battery is included). Size: 9.4x3.7x1.5cm/3.7'x1.46'x0.59'(L*W*H). Please check OE number/FCC ID and product picture with the original one before purchase.