Bought those brand new and never used, sell it as I changed car so those are not needed any more.

About this item ✔Keyless entry key fob are 100% brand new and complete remote. A pair of keyless entry replacement fob with installed battery, electronics, and transponder chips (will start your car). ✔Keyless entry replacement OE part number: 8S-4Z-15K-601A, 8S4Z15K601A, CWTWB1U322, CWTWB1U345, CWTWB1U331, GQ43VT11T and more. ✔Remote key fob replacement for vehicles from 1998-2016, compatible with F-150, F-250, F-350, and will work and function just like the original one. Package dimensions: 2 x 4 x 0.75 inches.