Features: It only takes approximately 20 seconds to complete one key programming process. This device can be securely used for all 4D and smart key anti-theft systems without risking damage to the vehicle's security system. It is the fastest and safest tool available for key programming in the event of all keys being lost. It is safe for use with the vehicle's security alarm system. Supports all types of smart key systems, including K-line and CAN-BUS protocols. Supports all key lost scenarios. Please read the operation instructions and important notices before programming a new key. Specifications: Material: ABS Size: As shown in image Note: 1. Must use a compatible new smart key programmer and follow the correct procedures; otherwise, you assume all risks. 2. If the device matches the key and the LED light remains constantly illuminated, clear the error code using an appropriate anti-theft system tool such as T300. 3. After programming, if the key starts the vehicle but the SEC light remains on, it may indicate the use of a secondary key; only the primary key can manually exit learning mode. 4. Do not attempt to open the cover of the programmer or dashboard; doing so may result in damage and void warranty. 5. This device is intended solely for legal automotive repair purposes. Unauthorized use is strictly prohibited and may result in liability. Package includes: 1 x Smart Key Programmer