CDR 820

Learn how to get the most out of your Cobra CDR  820 dash cam. Update your software, find helpful guides, and troubleshoot common problems.

Is the CDR 820 ready to use right-out-of the box?
Yes, you may simply adjust date/time and proceed to use the camera
Wed, 15 Oct, 2025 at 4:13 PM
How do I set date/time on my CDR 820?
First, you must stop recording mode by pressing the front right button once. Then press/release "menu" button underneath the unit. Use the 2 butto...
Thu, 9 Sep, 2021 at 3:42 PM
My camera feels warm to the touch. Is this normal?
Yes, it is normal for dashcams to operate warm.
Wed, 15 Oct, 2025 at 4:15 PM
Can I install my CDR 820 upside down on the dash and record right side up?
Yes, there is a "Rotate” option in the menu that allows the user to operate the unit upside down while recording right side up.
Tue, 30 Sep, 2025 at 1:19 PM
Can I hardwire the CDR 820?
This camera operates on a 5V ‘mini” USB power port. You may use any standard mini USB hardwire kit currently available on the market.
Wed, 15 Oct, 2025 at 4:16 PM
What is the biggest SD card I can use on my CDR 820?
The maximum recommended size is 32GB
Wed, 15 Oct, 2025 at 4:29 PM
Can I use a longer power cord? Where do I find one?
Yes. Although not available from Cobra, this camera takes a standard mini USB cable. You may use any aftermarket mini USB cable from your local electronics ...
Wed, 15 Oct, 2025 at 4:30 PM
Could I use my camera in the house with an AC wall adapter?
Yes, you may use any standard "mini" USB power cord to operate this unit.
Wed, 6 Oct, 2021 at 12:33 PM
How do I delete a locked file on the CDR 820?
First, you must stop recording mode by pressing the front right button once. Then press/release "menu" button underneath the unit. Use the 2 butto...
Wed, 15 Oct, 2025 at 4:32 PM
Is my CDR 820 compatible with iOS Apple products/iPad to view my video files?
Yes. You may play the videos using MAC's default media player or by downloading a third party player.
Tue, 30 Sep, 2025 at 1:22 PM