comma three devkit

Choose your storage size.

Connect the comma three to your car.

Car Harness


Yes, the comma two car harness is compatible.

Development Vehicle
Hyundai A Development
Hyundai B Development
Hyundai C Development
Hyundai D Development
Hyundai E Development
Hyundai F Development
Hyundai G Development
Hyundai H Development
Hyundai I Development
Hyundai J Development
Hyundai K Development
Hyundai L Development
Hyundai M Development
Hyundai N Development
Hyundai O Development
Hyundai P Development
Hyundai Q Development
Mazda Development
MQB Development
Nissan A Development
Nissan B Development
VW J533 Development
Ford Q3 Development
Ford Q4 Development
Easy to Install

Watch our step-by-step video. Get set up in your car in about 30 minutes.

30 Day Guarantee

We think you’ll love it, but if you’re not satisfied, you can send it back for a full refund.

Pay Over Time

Now offering pay over time through Affirm for the comma three. Learn more.


A car harness is required to connect the comma three devkit to your vehicle. You currently have no car harness selected.
Existing car harnesses are compatible.

The comma three devkit does not ship with any software. Once you have the device you will be able to install any software you choose at your own risk.


Introducing the comma three devkit. The comma three is 4th generation custom hardware designed to live in your car. It has dual cam 360° vision, plus a narrow cam to spot objects far off in the distance. The three 1080p cameras have 120 dB of dynamic range, two generations ahead of a leading electric car maker. It's as connected as a cell phone, with Wi-Fi, LTE, and way better high precision GPS.

On-device Storage

The more storage you have, the more driving video you can store on your comma three.

  •   —   1TB stores approximately 60 hours of footage

  •   —   250GB stores approximately 15 hours of footage

  •   —   32GB stores approximately 1 hour of footage

Want your video footage saved for longer? – Sign up for comma prime for 1 year of video storage.

comma three includes one free month of comma prime (must be activated within 30 days of purchase). To claim your free prime, log into comma connect. Once paired, you can see your recorded drives, set navigation destinations, and more.

The comma three does not ship preloaded with software capable of controlling your car. Open source software can be installed separately.

In The Box

  • comma three devkit

  • 1.5 ft right-angle OBD-C cable

  • 2 mounts (with adhesive and alcohol wipes)

Tech Specs

  • Three 1080p cameras w/ 120 dB of dynamic range

  •   —   Dual-cam 360° vision

  •   —   Narrow cam to see far-away objects

  • Qualcomm Snapdragon 845

  • Samsung 980 NVMe SSD (250GB or 1TB)

  • 2160x1080 OLED display

  • LTE, Wi-Fi, High-Precision GPS

  • IR LEDs for interior night vision

  • OBD-C port (USB-C w/ CAN)

  • USB 3.1 Gen 2 port (DisplayPort capability)


Fine Print

If for any reason you are dissatisfied with anything purchased at the shop, ship it back within 30 days for a full refund.

Free US shipping; signature confirmation required for delivery. $30 flat rate shipping internationally.

Orders are typically fulfilled during the week of purchase. All orders shipped via UPS. We do not currently offer expedited shipping.

1-year limited warranty against hardware defects.

If you intend to upstream support, we will extend your return window. Email after purchase for details.

Before using the device on your windshield, check the state and local laws and ordinances where you drive. Some state laws prohibit or restrict the placement of objects on the windshield of a motor vehicle. IT IS THE USER'S RESPONSIBILITY TO MOUNT THE DEVICE IN COMPLIANCE WITH ALL APPLICABLE LAWS AND ORDINANCES. Always mount your device in a location that does not obstruct the driver's view of the road. comma does not assume any responsibility for any fines, penalties, or damages that may be incurred as a result of any state or local law or ordinance relating to the use of your comma device.

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