1. 170 degree super wide angle lens. 2. 2304*129630fps high definition resolution. 3. Advanced H.264 video compression technology. 4. 2.7 inch high resolution LCD screen, can view while recording. 5. Support HDMI high quality video transmission. 6. G-Sensor to keep the record of sensor data at emergency cannot be cover. 7. Loop recording with seamless, does not leak second. 8. Automatic circulating recording, ita??s able to set the record time for each file. 9. Watching video simultaneous while driving, supporting on-spot play back. 10.Time & date display changed, there is no need to reset when re-starts. 11. A key to lock function 12. Motion detection function 13. Automatically turn onoff function 14. Can charge and transmission through USB. 15. Equipped with special car fixed sucker, easy to fix and use. 16. Maximum memory storage 64GB, or TF with more high capacity storage device(not included the card).