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The SC 400D is the ULTIMATE smart dash cam you need to make your drive smarter and safer. With real-time alerts from the Drive Smarter community and Ultra HD 4K resolution, the SC 400D combines the best tech in an easy-to-use dash cam.
With Ultra HD 4K resolution and low-light sensitivity, you'll get 4x the pixel resolution of 1080P, so you can see and capture every detail on your drive
Glare-reducing polarized lens filter helps keep images sharp by minimizing haze and reflections
With the included rear cam and optional cabin cam, SC 400D can record ahead, behind and even inside the vehicle all at the same time
Instantly share incident details and videos with your insurance company. Mayday Alert notifies your contact in the event of a severe impact
Get notifications of red light camera locations, speed traps, and many more alerts from our nationwide network of drivers and sensors
Instantly store, edit, and share video footage from anywhere with built-in WiFi and the Drive Smarter® app
A high-quality micro SD memory card comes preloaded with your Cobra SC dash cam
Instantly store, edit, and share footage from anywhere with built-in Wi-Fi and cloud storage
Sends an email and text to a designated contact in the event of a severe impact
Stay aware on your drive and get shared alerts plus red light and speed camera locations
Included with every new Cobra SC 400D:
With 15 parts & accessories available for Cobra SC 400D, customize your setup and be ready for any journey.
Take your knowledge to the next level. Get information and product support all in one convenient location.
User Manuals
SC 400D Quick Start Guide - Spanish
SC 400D Quick Start Guide - French
Update Your Device
Connect your device to the Drive Smarter® app to update your device to the latest software. Firmware downloads are also available for installation directly to the device using a Micro SD memory card.
Item # SC400D
Is my camera compatible with Drive Smarter?
Cobra's SC Series cameras (SC100, SC120/110, SC120, SC 200/200D, SC201, SC220C, SC250R, and SC400/400D) are compatible with Drive Smarter. Drive Smarter does not support legacy Cobra dash cameras (DASH Series, CDR Series) at this time.
Do I need to pay for Drive Smarter?
No, Drive Smarter is a free service provided to users of our SC series cameras.
Why am I having trouble connecting the camera in Drive Smarter?
You may have previously established a Bluetooth connection with the camera. If this is the case, please go into your phone's OS Bluetooth menu and 'Unpair' your camera from your phone.
How can I use the Mayday Alert feature?
Simply enable the G-Sensor and Mayday Alert setting on your camera, and enter your Emergency Contact info into Drive Smarter. From there, Drive Smarter and the dash camera will take care of the rest. If the camera detects that you have been in a serious collision (Level 5 G-sensor event), it will automatically lock the latest recording and notify your emergency contact.
How do I connect my camera via Wi-Fi?
You do not need to manually establish a Wi-Fi connection to your dash cam. Drive Smarter uses Bluetooth to automatically manage connection types depending on which feature you are using within the app. If you are using a feature that requires Wi-Fi, the app will walk you through establishing a a Bluetooth connection. Note: Older Android operating systems (Android 6, 7, and 8) may prompt the user to exit the app and connect via the OS Wi-Fi menu.
Why is Alexa not working?
• Some SC-400 models made before 2025 are compatible with Alexa. If you own an Alexa-enabled model, ensure that you have downloaded the Alexa App. You need to connect your camera to the Alexa app to enable this feature.
• Check that the volume on your phone is turned up. The SC 400D uses its specially tuned microphones to invoke Alexa from the background of your phone and automatically reconnect when you enter your car. The phone is still the main source of audio for Alexa, enabling you to hear the replies through your car’s speakers.
• Check that Bluetooth is enabled on your phone.
• If you see a red bar on the camera, press the Alexa mute/unmute button on the bottom of the unit next to the power button.
Overall rating: 3.639706 / 5 from 136 reviews.
The Cobra SC 400D dashcam offers excellent camera quality, amazing video, and a good look, though some users find the app and basic functions challenging. It provides peace of mind with its 4K UHD resolution and heads-up navigation.
Review topics: ["quality","installation","setup","look","connection","features","mount","works","expectations","warranty","display","use","camera","dash cam","app","video","picture","cobra","unit","function","equipment","manual","clarity","cable","information","kit","set","solution","wire","model"].
"I purchased this dash cam, wiring harness, and extra inside camera. I had a shop install this dashcam for $300. They said the wiring harness was DOA right off the bat. They put it on a cigarette lighter until I can get the harness in. I get it home and try to connect to my travel mini that I leave in the car. Nothing I do will get this thing connected. Not happy at all."
"I’ve had lots of bugs throughout the years, used SD cards that are recommended, customer service didn’t get me any extra help than I could find online searches. The camera doesn’t come on consistently, always required disconnect from power to get screen even to show."
"Have not installed yet. Looking forward to exercising the capabilities of the array of cameras. I will update once installed a week or so of use. Good solid equipment. Nothing cheap about the materials used."
"Main camera failed after only 18 months. Cobra said 'Too bad, out of warranty'. Vehicle is parked in the garage most of the time."
"I've purchased 2 of these and both stopped working within one year. IT DOES NOT LET ME UPDATE THE FIRMWARE, AND FREEZES EVERYTIME I DRIVE. IM ALSO UNABLE TO ACCESS ANY OF THE FOOTAGE TAKEN AS IT CONSTANTLY SAYS DEVICE DISCONNECTED OR UNABLE TO JOIN WIFI. No other dashcam has had this issue. I'm extremely upset that I paid $400 for this cam twice for both to stop working WITH EXACT SAME ISSUE."
"Based on several reviews, I bought two SC400D for my two cars. The first unit died within 2 years, and the second unit died at 1 year. I tried to work with the manufacturer (Cedar Electronics) and have the units repaired or repaired, but Cedar said that I need to buy new units as they do not service their products. I did as they suggested and ordered a competitor's dash cams."
"I have 3 dash cameras, all of them are cobras. They all work well but the best is the SC400. It has the most features and is very easy to use. Installation is easy and fast. The thing I like most is the way it performs with the 700i radar detector and the Drive Smarter app. It works so well that it is hard not to move it from vehicle to vehicle."
"I owned my unit for just over a year, when it started constantly detecting crashes. IT’S A VERY COMMON ISSUE, just search on the internet. I was advised to purchase a fairly expensive card, which I did, and that did not solve the issue. I was offered 50% off a new unit which clearly shows they do not expect their products to last long. . I am extremely frustrated and angry that I spent hundreds of dollars on this unit. What a disappointment!"
"Do not buy this camera if you intend on keeping this product in your car. It melted, at first it was cosmetic and after 1 year of use, it became unusable. Contacted the company directly and no explanation on why or provided any support to replace. I had a GoPro for 10 years in my car and it never melted."
"The device continue to disconnect from the app. The voice commands would not activate as directed. The unit would not consistently energize when the vehicle was started. Fought with it for 3 days straight. Finally conceited a defeat, returned the product"
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