1. Built-in HD CMOS Sensor. Viewing angle approx. 105 degrees. 2. Easy installation. Suitable for all types of vehicles use. 3. Video record outside driving conditions and audio record inside the vehicle simultaneously. 4. G-sensor GPS and Image data are recorded and playable on client software. (GPS optional) 5. Image data is securely stored on Micro SD Card (read/write speed 15MB/s) support Max. 32 GB and sudden disconnection from unexpected shock is completely prevented. 6. G-sensor sensitivity can be adjusted according to vehicles and road situations. When detect a strong shock system will start emergency recording and keep the files without being overwritten. 7. the most user-friendly player software easy to operate. 8. With full time/date record can be displayed in screen directly. 9. Provides complete event log table easy to search recorded files. 10. Provides a variety of recording video formats and number of frames to select. 11. Built-in Dual High Sensitivity Microphone.