Cobra CDR 840

Windshield Mount Dash Cam DVR System w/ 1.5" LCD Display & Built-In GPS

This item has been discontinued and
is no longer available

Click for
Special Offer

We apologize

This item has been discontinued

Get FAST answers from customers ASK a Question See questions answers

Cobra Audio Store

General Features:

  • Complete DVR recording system
  • Records in full HD 1080P
  • Viewing Angle: 118°
  • On-board G-Sensor allows for motion detection recording
  • Includes heavy duty windshield suction cup mount
  • On-board G-Sensor allows for motion detection recording
  • loop recording - old files are automatically replaced with new files so you don't have to take out SD Card every time it's full
  • 1.5" LC display allows for onsite playback
  • Built-in microphone for audio recording
    • Sound recording can be disabled
  • Date and time stamps videos
  • Internal GPS embeds exact location and time in every recording
    • Location is displayed on a 2D map which also provides the following information:
      • Speed
      • Distance Traveled
      • Time and Date
  • Includes heavy duty windshield suction cup mount
  • USB input allows for connection to PC and charging
  • HDMI input for connection to televisions or computer monitors
  • Free Cobra Drive HD player allows you to view location and G-Sensor information on playback on a computer or HDTV
  • MicroSD card slot accepts up to 32GB memory card
    • 8GB card included
  • Supports USB web cam and mass storage
  • Auto white balance and color effect
  • Sensor: 5MP CMOS
  • Video Resolution:
    • 1080P: 1440 x 1080 (30fps)
    • 720P: 1280 x 720 (30fps)
    • 720P: 1280 x 720 (60fps)
    • 480P: 640 x 480 (30fps)
  • Video Format: H.264 and .avi
  • Picture Resolution:
    • 4032 x 3094 (Maximum 14 MP)
  • Picture Format: JPEG
  • Camera Capacity:
    • 1080P Recording time w/ 8GB card (included): 120 minutes
    • 1080P Recording time w/ 16GB card: 240 minutes
    • 1080P Recording time w/ 32GB card (max): 480 minutes
  • Built-in rechargeable Lithium-Ion battery
    • Battery is only intended to operate the camera after a power loss due to an accident
    • Not intended for long-term recording on battery power
  • Also found as: CDR840
  • Dimensions: 3.9"W x 1.5"D x 2.4"H
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

What's in the Box?

  • CDR 840 Dash Cam DVR
  • 8 GB Micro SD Card (Comes Installed)
  • Heavy Duty Suction Cup Mount
  • Cigarette Lighter Adapter
  • Mini USB to USB Cable
  • User Guide

Not Sure if this Dash Cam is Right for You?

Check out the Cobra CDR 820 Quick Start Guide

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating

Browse 2 questions and 2 answers
Hide answersShow all answers | Sort by
Why did you choose this?
Sonic Electronix Store
Have owned other cobra products in the past and had very good luck. Reputation would be the answer.
Dennis C on Dec 5, 2015
It has all the features I wanted in a Dashcam.
Robert J on Nov 18, 2015
how large of card will this unit accept/work with 32, 64 MB?
A shopper on Jul 2, 2016
· Add Answer · I Have This Question Too (0)

Product Summary


Model Number

CDR 840





Internal SKU


Internal Product ID


Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Cobra CDR 840

Item Added to Cart

Cobra CDR 840

Windshield Mount Dash Cam DVR System w/ 1.5" LCD Display & Built-In GPS


Keep Shopping

Get Added Peace of Mind with SquareTrade

Why SquareTrade?

  • The #1-Rated Protection Plan
  • 5-Day Service Guarantee & Free Shipping
  • Protection from Normal, Everyday Use
You have added a warranty
Add Warranty
3 years of protection