Feature:1. Applicable Model: This smart key replacement for Model 3/X/S/Y All years, especially for this model, please check your model carefully.2. Unlock Car Door: Does not require charging and is a portable backup key. And has the same anti‑theft unlocking function as the key card.3. Easy Use: The operation is simple, just click the key in the center of the pillar on the right side of the driver window to lock or unlock.4. Strong Practicability: The key is convenient to use when the phone is inaccessible, out of battery, or other people needs temporary access.5. Sophisticated Production: Made of high quality ceramics material, with delicate texture. Lightweight and waterproof, easy to carry, convenient to enter and exit on any occasion.How to Use:1. Organize and clear the central control sensing area;2. Click the car shape button in the lowerrleft corner of the central control screen;3. Click the middle lock button;4. Click the + to the right of the key;5. Put our smart ring on the central control induction area;6. When the screen pops up Induction of existing key card to approve pairing, place the original car key/card in the central control induction area for authorization and wait for completion.Specification:Item Type: Smart Key RingMaterial: CeramicColor: Wood colorFitment:Replacement for Tesla with card keysReplacement for Tesla Model 3 All yearsReplacement for Tesla&