Condition: 100% Brand New Features:remote car key design: fashion car styling Material: abs+metal Color: show the picture Button: 4 Buttons blade;have Transponder chip: yes Battery: Yes Frequency : 434MHz ID: ID48 Weight: 45g Fitment: For Kia Optima 2016-2020 And other model with the same specifications of key blank and battery holder listed as below section... Features: 1. The item is a new DIY remote key. Frequency 434MHz, with ID47 blank chip. 2. The key includes key housing, circuit board, chip and battery. It\\\\\\\'s a full remote key. 3. You\\\\\\\'ll need to program the key and cut the blade at locl automotive locksmith before using. Important Notice 1.You need to go to your local dealer or Locksmith shop to cut the key and program to your car,Locksmith should charge less than Dealer. 2.Please make sure your key is exaxtly same as ours, if you are not sure please send your original key photo to us for confirming, we will help you to buy the correct key. Package Includes: 1X Key Shell 1x Circuit board