1. Computer-controlled, electronic account-control device can automatically display the quantity and amount of LPG filled 2. With preset amount, preset volume function 3. With automatic shut down function; 4. The data can be stored for a long time after power failure, and can re-display after power up. 5. Can re-display the last 50 times filling data for inspection. 6. Totaliser of volume&amount on duty. 7. Automatic Detecting Faults: Automatically displays the fault code. 8. communicate with computers. 9. Can be equipped with background management system and IC card operating system, to achieve automated management of stations. 10. Adapted to different types of tanks' interfaces of various country. 11. With break-off coupling, to ensure the security and seal the LPG hose, should there's unpredicted accident, such as car unexpectedly be towed away from the nozzles. 12. With current limit protection function to ensure safety of filling. 13. With automatic temperature compensation(ATC), 14. Ultra-fine filter, ensuring the service life of key parts of the dispenser. 15. Equipped with a back flow interface, easy to debug whole machine 16. Reasonable structure, easy to install and maintain. 17. Keyboard operation, feature rich, to complete settings and inquiries. 18. In addition to single, double-nozzle, according to demand, the user can.