New Arrival Ultra Hd 4K 30M Waterproof Bicycle Helmet Camera User Inerface As Sjcam Sj4000 Wifi Cam

   New Arrival Ultra Hd 4K 30M Waterproof Bicycle Helmet Camera User Inerface As Sjcam Sj4000 Wifi Cam

 Our Factory

Quality Control 

Our Market

After-sales service

Guarantee: 

1. 12 months Manufacturer’s Warranty for defective items (excluding items damaged and/or misused after receipt).  

2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and contact us in advance

Quality:  Our products are carefully selected and tested before sending. All the products have big margin for you to retail.

Time:  Our package will reach to your hands in 3-6 days after delivering. 

Service:  We have a professional sales team and a perfect customer relationship management system (CRM). Our online time service is up to 20 hours a day. We can  help you to improve your sales to achieve a win-win solution.

Q : How long time my memory card can record in this car dvr?

A : Pls check the memory time list below:

Q1: It doesn't work,what shall I do?
- Check if it has power.
- Check if you put TF card yet, or change the card.
- Change the resolution, frames per second.
- Insert the larger capacity memory card.
- Make sure the card has been installed correctly (during the installation process, you should hear a clicking sound).
- Delete unnecessary files from the memory card to release space.

Q2: It is not able to charge, what should I do?
- Try to change another USB cable or AC adapter.
- Try to reset.
- Take the card out and try again.
- Contact us for help.

Q3: How can I know the power is low?
- The red indicator flashes quickly, vibrator shakes four times then camera turns off automatically.
That means not enough power to work.

Q4: How can I know the card is full?
- The green indicator flashes quickly, vibrator shakes six times then camera turns off automatically.
That means the card is full.

Q5: The video and audio is out of step when play on PC,why?
- Copy the video files to computer,then try again.
- Check if your player is latest version, update or try to play videosby other players,such as VLC media player 
and storm player

Q6: Video is not clear
- Ensure that the camera lens is clean.
- Wipe off the dust and dirt on the lens, and then shoot.

Q7: Equipment to work normally, but the key does not work
- Press the reset button to initialize the machine.