Feature: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.Specification:Item Type: OBD Key MakerMaterial: ABSFunction:1. Use the main key to add the other keys:Connect the programmer to the OBD port of the car, there are some short beep sounds after power on, it enters auto search car status.Press the start button twice to wake up the anti-theft module. When the connection with the module is done successfully after 7 seconds, there is a long beep 4-5 sounds (4 sounds means the system is for IV K system, 5 sounds means for V CANBUS system). Wait 30 seconds, there are a long beep sounds, it means the car enter into add key state.2. Add smart key:Put the original car key (with the logo side) access to the start button, you should hear two beep sounds. SEC light will flash twice; within 5 seconds, put the key close to the start button, you should hear 2 beep sound, SEC light will flash twice; after learn all the smart key, wait 30 seconds till SEC light begin flash, and the car will close adaptation mode automatically.3. All the key was lost or only have vice key, need to do initialization:Press constantly the LED button, and plug into the OBD port of the car, after two short beep sounds, finish press, it enters into auto search car status.Press the start button twice, in order to wake the anti theft computer. When the connection with the Computer of car is done successfully after 7 seconds, there is a long beep 4-5 sound (4 sounds mean the system is for IV K system, 5 sounds mean for V CANBUS system), 5 seconds later, LED light go out. Wait 10-16 minutes,there are a long beep sounds, and LED light flicker, it means the car enter into study key state.All keys lost matching mode: Add every smart key which need to program (with the logo side)access to the start button, meanwhile you will here two beep sound. SEC light will shine twice; After you finisher studying all the smart keys, wait 30 seconds till SEC light shining, the system will Auto close study state.Package List:1 xOBD Key MakerNote:1.Must use the right new smart keymaker, and follow the right step, otherwise you take the consequences.2.If the device can not match the key, and LED light shining constantly, pls clear the error code by using anti theft system such as T300.3.After finishing program keys, the key can start but the SEC light is still turn on, maybe you use the vice key, only main key can manually shut the study mode.4.Don't try to open the cover of programmer and dash board, otherwise you take the consequences.5.This machine is only provided for the legal auto repair. Otherwise you will take the above consequences.