Features: It only takes approximately 20 seconds to complete one key programming. It can be securely used for all 4D and smart key anti-theft systems without damaging the anti-theft system. This product is the fastest and safest tool for key programming in the event of all keys being lost. It is safe for the security alarm system. Supports various smart key systems: compatible with K-line and CAN-BUS protocols. Supports all key lost scenarios. Please read the operation instructions and important notices before programming a key. Specifications: Material: ABS Size: As shown Note: 1. Must use the correct new smart key and follow the correct steps; otherwise, you assume all risks. 2. If the device can match the key and the LED light remains on, please clear the error code using an anti-theft system tool such as T300. 3. After programming keys, the key may start the vehicle but the SEC light remains on; this may occur if a secondary key is used. Only the main key can manually exit the learning mode. 4. Do not attempt to open the cover of the programmer or dashboard; otherwise, you assume all risks. 5. This device is intended solely for legal automotive repair purposes. Unauthorized use may result in liability. Package includes: 1 x Smart Key Programmer