Delicately developed by the most distinguished experts of the industry, NT644 provides workshops, technicians and enthusiasts alike affordable professional diagnostic solutions. It stands out in a variety of similar tools by delivering wider coverage of vehicles, more accurate diagnosis, more reliable performance and better user experience.

1. Coverage includes 49 manufacturers

2. Works on the latest 2012/2013 models

3. Dealer level oil light service light reset functions on 32 manufacturers

4. Advanced EPB functionalities on 13 manufacturers

5. Compatible with both OBDI and OBDII cars, SUVs, minivans, light-duty trucks sold worldwide

6. Reads and clear codes and turns off MILs of all systems

7. Requests and records live sensor data

8. Provides live data graphing

9. Merges PID graphs for easy and intuitive diagnosis

10. Displays freeze frame data

11. Retrieves ECU information

12. Supports all 10 OBDII test modes, such as live data, O2 sensor test, component test and more

13. Enhanced OBDII Mode 6 functionality

14. Code troubleshooters provide you faster and easier diagnosis

15. Multilingual menu options and code definitions

16 SD memory card for data backup and software update

17. As easy as 1-2-3 with large TFT color screen and menu-driven operations

18. Ergonomic design and ruggedly built for both shop and road tests

Display: Backlit, 480*272 TFT color display

Working Temperature: 0 to 60鈩?(32 to 140鈩?

Storage Temperature: -20 to 70鈩?(-4 to 158鈩?

External Power: 8-18 Volts powered by vehicle battery

Notice:
1. It is free update for 18 months,but you need pay 100 usd one year if you want to update after 18 months.
2. It can support diesel small car,but can not support goods van.
3. Can't support Australian cars

Vehicle Coverage:

Manufacturer	Diagnostic Function	EPB Service	Oil Light Reset Function
Chrysler	√		√
Ford	√		√
GM	√		√
AU Ford	√
Acura	√		√
Daewoo	√
Honda	√	√	√
Hyundai	√
Toyota	√	√	√
Infinite	√		√
Isuzu	√		√
Kia	√
Lexus	√		√
Mazda	√
Mitsubishi	√
Nissan	√		√
Scion	√		√
Subaru	√
Suzuki	√
Abarth	√		√
Alfa Romeo	√		√
Audi	√	√	√
BMW	√	√	√
Bentley	√
Bugatti	√
Citroen	√	√
Dacia	√
EU Ford	√
Fiat	√		√
Jaguar	√	√	√
Lancia	√		√
Land Rover	√	√	√
Maybach	√
Maserati	√
Mercedes Benz	√	√	√
Mini	√		√
Opel	√	√	√
Peugeot	√	√	√
Porsche	√
Renault	√	√	√
Saab	√		√
Seat	√		√
Skoda	√		√
Smart	√		√
Sprinter	√	√	√
Vauxhall	√	√	√

Difference among Nt644, NT414,NT624,NT4021

NT644	NT414	NT624	NT4021
General Diagnostic Coverage: same as NT414 Oil Light Reset Coverage: same as NT401 EPB Service Coverage: same as NT415 DPF Coverage: Acura, Alfa Romeo, Audi, Bentley, Mercedes Benz, BMW, Bugatti, Chrysler, Citroen, Dacia, Fiat, GM, Honda, Infiniti, Jaguar, Lancia, Land Rover, Lexus, Maserati, Maybach, Mini, Mitsubishi, Nissan, Opel, Peugeot, Renault, Rolls-Royce.Scion, Seat, Skoda, Sprinter, Toyota, Vauxhall, Volkswagen BRT Coverage: same as NT402. TPS/TBA(Throttle Body Alignment )Coverage: Acura,Audi,BYD,BMW,Brilliance, Chery, Citroen,Daewoo,Ford,Geely,GM,Great-Wall, Honda,Hyundai, Infiniti,JAC,Kia, LandRover, Lexus,Lincoln, Mitsubishi, Nissan,Opel, Peugeot,Porsche,Saab,Seat, Skoda,Toyota,VW	American Coverage:Chrysler, Ford, GM, Brazilian GM (For Brazilian Market Only) Asian Coverage: Au Ford (For Australian Market Only), Acura, Daewoo,Honda, Holden (For Australian Market Only), Hyundai, Infiniti, Isuzu,Kia, Lexus, Mazda, Mitsubishi, Nissan, Perodua, Proton, Scion, Subaru, Suzuki, Toyota European Coverage: Audi, Abarth, Alfa-Romeo,Bentley, BMW, Bugatti, Citroen, Dacia, EU Ford, Fiat, Jaguar, Lancia, Land Rover, Maybach, Maserati, Mercedes Benz, Mini, Opel, Peugeot, Porsche, Renault,Roll-Royce. Saab, Seat, Skoda, Smart, Sprinter, Vauxhall, Volvo, Volkswagen	Same As NT414	Oil Light Reset Coverage: same as NT401 EPB Service Coverage: same as NT415 Battery Configuration Coverage: same as NT402