The original car key's board needs to be installed in the LCD key cover; a professional locksmith needs to weld the original key remote control board. LCD key functions: unlock, lock, switch the tail box; Does not support mobile APP key, no comfortable entry function; Suitable for all original cars with one-key start function, not suitable for all manual direct-plug car keys. Please confirm whether you have a key start function before purchasing. It is best to send a picture of your original key to confirm. Thank you for your inquiry. Features 1. IPS TFT Display OGS Touch Screen 2. Touchless door lock trunk lock 3. Automotive-grade comfort entry 4.Standby 300 days, 100 Days Display , comfortable entry 200 days 6. Material: hardcover alloy material 7. Comfortable entrance function 8. Lock the windows 9. Full laminated glass touch 10. No induction door lock, switch tail box 11. Window lift (some models) 12.15 minutes quick installation 13.OBD harness installation 14. Anti-lost function 15. Patented products 16. Fill in the owner information Support Languages: Chinese, English, Indian, Thai, Arabic, Russian, Turkish, Vietnamese, Malay, German, Italian, Korean, Japanese, Portuguese, Spanish, French Installation:Solder the original key circuit board to the LCD key. (Refer to the manual for details) Applicable to all original cars with one-button start function, not applicable to all manual in-line car keys and mechanical keys Product Pictures: