1. The selling item is a smart remote key. Frequency 433.92MHz, with integrated chip.
2. The remote key includes key housing, circuit board, chip and battery. It's a full key.
3. You'll need to program the key and cut the blade at locl automotive locksmith before using.
4. The key is suitable for your original key with model number G8D-644M-KEY-E (CE1731).
NOTE - if the model number isn't exactly the same, please don't buy. It will not work.