1. The reading distance varies from 1 to 20 meters according to the request. 2. The reading speed is high, and it will not be limited by the car speed. 3. The reader can be loaded two antennas. It controls two passages respectively, and tells apart the entrance and exit automatically. 4. It has the function of directional orientation, the neighboring driveway will not be interfered. 5. It has the high anti-interference, so it can be packed into any iron ticket box. 6. The working mode is to queue for the reading cards. Each time to read one card. 7. It adopts the passive way to send the active tag. The large capacity lithium battery has the long life of at least five years. 8. The power of radio frequency is less than 10 milliwatt. It is free from the causation administration. 9. It has varies of communication output interfaces. Many control systems could be compatible. 10. The tag is put in the front glass of car, and the signal could go through the car anti-violence film.