1、High Compatibility: OBD key maker supports various kinds of smart key system in specific models, supports for K line and for CAN BUS protocols, more advantageous to use. 2、Powerful Function: The OBD2 Transponder is professionally designed to add smart key, use the main key to add the other keys, greatly providing more convenience for you. 3、High Working Efficiency: It only takes you 20 seconds to add one key with the OBD key programming tool, there is no long waiting time, improving your operation efficiency. 4、Excellent Security: The premium OBD key programming device is highly safe for the security alarm system, and supports all key lost, you can rest assured to use. 5、Durable Construction: The smart OBD key maker is made of carefully selected ABS plastic with sturdy structure, not easy to damage, light weight enough for easy operation.