1. System: Allwinner V553
2. Software solution: F900
3. Radio transmission frequency: Optional frequency range 76.0~108.0MHz
4. Radio transmission IC: Q8027N
5. Amplifier IC: XPT4890
6. Output power: 2W
7. Working voltage: 5V 3A
8. Bluetooth version: Version 5.0 (default name: SWL-BT)
9. Wi-Fi frequency: 2.4G/5G dual-band (automatically switches according to the frequency band of the hotspot connected to the mobile phone, used when connecting to Android AUTO and CARPLAY)
10. CPU: F900
11. Running memory: 2G
12. Installation size: 142x65mm
13. Shell size: 243x95mm
14. Mobile phone interconnection: Supported
15. Reversing image: Supported (AHD rear pull 1080P)
16. Play video warning: Supported
17. Built-in driving recorder: Supported (1600x600)
18. Built-in speaker: Supported
19. USB interface: Not supported
20. TF card: Support driving record storage (Class 10 or above, support 128G MAX)
21. Bluetooth audio switch: Supported
22. Four-way audio switch: AUX/BT/FM/SPK
23. Audio output: Supported (3.5mm)
24. Reversing video input: Supported (2.5mm)
25. Audio format: MP3/AAC/APE/OGG/M4A/RA/WAV
26. Video format: H263/H264/H265/DIVX HD/AVI/FLV/MKV/MPEG/MP4/WMV9/VC/ASF/TS/QT
27. Image format: JPEG/PNG/BMP/GIF/TIFF
28. Language parameters: Chinese, English, French, German, Japanese, Spanish, Korean, Traditional Chinese, Russian

Basic functions:
1. Radio frequency transmission function (set the original car radio's receiving frequency to the same frequency as the one selected by this unit, and the audio signal of this unit can be amplified and output to the speaker through the original car machine)
2. Bluetooth audio output function (only supports carplay, Android Auto mode)
3. AUX audio output function
4. Bluetooth function
5. Rear view function, AHD rear pull 1080P (camera optional)
6. Built-in driving recorder function (1080P/2K/4K automatic switching)
7. WiFi video function (download APP WiFi link on the mobile phone to automatically loop the video, you can preview the video, take pictures, and download the driving recorder video through the mobile phone)
8. The driving recorder and rear view can record both front and rear, and support independent display or split screen display of the front and rear pictures
7. Carplay/Auto and recorder split screen display function