This product is a 4G universal car DVR with high-definition 1080P camera. One-click snapshot, parking monitoring, real-time remote live broadcast, track playback, Wi-Fi point-to-point preview. 4G network sharing, ultra-low power consumption, multi-functional high-definition dashcam. Live broadcast function - Condition:The DVR needs to be online and connection is normal. you can remotely view the real-time dynamic picture of the vehicle on your mobile phone. After playing 1 minute, it will prompt whether to save the video on your mobile phone. Voice transmission: During the live broadcast, you can also tap (press and hold to speak), and the DVR will broadcast what you are talking. (Note: Due to the real-time live broadcast function, it depends on status. If is not good, there may be a freeze or image delay) Remote snapshot function: Applicable scenarios: If you want to know the real-time status of the car, it will upload pictures and vehicle location information after you click on the snapshot. How to view the video of the memory card in the DVR through mobile phone: 1) To view the video files accessed by the memory card through the mobile phone, the mobile phone must be connected to the hotspot of the recorder 2) After the hotspot is connected, open the video , click the device information on the recorder interface, and the recorder file can view the corresponding video in the memory card 3) For important videos, you can long press the video and choose to download to your mobile phone, then you don't need to connect the recorder wifi to view the playback in the mobile phone album. Difference between direct WiFi hotspot connection and 4G network connection 1. WIFI connection: the mobile phone is directly connected to the hotspot of the recorder. WIFI direct connection canpreview the camera screen and directly access the content of the recorder memory card, and can directly play back or download the video files in the memory card to the mobile phone without consumption , Free of traffic and not restricted by 4G network 2. 4G network connection: Cannot access the contents of the memory card of the recorder The other functions of the operation recorder depend on the 4G network strength of the mobile phone and the recorder, and there is a certain delay. Colour:Black Material:Plastic Package Contents: 1 * Car Video Camera Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.