Features: 1.It is a bypass module to release the chip key, universal and safe design, it has stable performance. 2.Bypass immobilizer chip on OEM key or fob to support remote start, car alarm, engine on/off button and key duplication. 3.This module only compatible with most chip key cars. It does not apply to other immobilizers. 4.Simple two?wire connection, easy and fast to install, no need of complicated operations. 5.If your key is larger than the box of this unit, please take out the entire chip or PCB from the box. Specification: Item Type: Immobilizer Bypass Module_x000D_ Material: ABS_x000D_ Power Supply Voltage: 12 (V)_x000D_ Working Temperature: -20-80 ()_x000D_ Application: Suitable for 12V cars_x000D_ _x000D_ When the modified vehicle has a chip inside the remote control, the original car computer will detect the chip data in the car key at the moment the vehicle is started. If the data is correct, the ignition can be started successfully, otherwise it will not start. (For home use: You can put the original car remote control or the chip inside the original car key into the avoider box, and transmit the chip signal data to the coil of the original car key ignition lock through the induction coil)_x000D_ _x000D_ How to install the bypass module?(Please note a spare key is required to go inside the Box, if your original key is too big, please open it to get the chip unit )_x000D_ Some cars have RFID car key (chip key), if you want to remote start car, you need to have a bypass module, otherwise the car engine cant started. Note: 1. It is a bypass module to release the chip key. Please note that it is not a remote start button. _x000D_ 2. A replacement chip key is required to put in the box; If the key is bigger than the box, you need to take out the key PCB to the box. _x000D_ 3. The steering wheel lock needs to be released if your car has it.