Operational language: Simplified Chinese/body Chinese/English/Traditional Chinese/Spanish/French/ and other languages 

 Operation interface: graphical menu operation 

 How to operate: touch 

 Expansion card: support TF card (microSD card), CLASS10U1, up to 256GB support 

 Physical key: power button (off/off) 

 Video input: 2 high-definition video input 

 Recording method: turn on the video by default, no seconds 

 Video format: front 4K back 1080P H.264 video, 2 videos saved separately 

 Local playback: local playback, check at any time 

 Screen saver: can be set for 1 minute/5 minutes/off 

 Operating voltage: DC5V 

 Operating current: 1.5A 

 Static current: 1.2A 

 Operating temperature:-30°C+75°C 

 Storage temperature:-20°C+65°C 

 Installation method: strap, special bracket 

 Power supply mode: two options: car charging Type C interface and intelligent step-down line Type C interface