cn900 key pro with high quality,New Auto transponder chip key copy machine,copy 4c,4d,tpx1 and tpx2 chip.
Attention: TPX4 is used for collecting data. Now you have used this TPX4 collect the data for original key and copy another key succssfully. For next time, if you want to use TPX4 to collect data, you must clear the data first.
lessort