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WOLFBOX G840S 12" 4K Mirror Dash Cam Backup Camera, 2160P Full HD Smart Rearview Mirror for Cars & Trucks, Front and Rear View Dual Cameras, Night Vision, Parking Assistance, Included 32GB Card & GPS

  • Based on 11,779 reviews
Condition: New
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$119.99 Why this price?
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This item's return window has been extended for the holiday season: Returnable until Jan 31, 2025

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Availability: 20 left in stock
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Arrives Sunday, Nov 24
Order within 15 hours and 36 minutes
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Features

  • UPGRADED 4K UHD CLARITY - Experience stunning detail with the front camera's upgrade to 4K UHD (2160p) resolution, paired with a 1080p rear camera. The extra-large 12" display provides 1.5 times the viewing area of a standard mirror, significantly reducing blind spots for enhanced safety.
  • LARGER SCREEN & WIDER VIEW - The WOLFBOX G840S mirror camera features a 170 front lens and a 140 rear lens, offering a broader field of view to minimize blind spots during driving and reversing. The smart split-screen function allows simultaneous monitoring of both lenses, while the 2.5D curved screen seamlessly integrates with your vehicles interior.
  • SUPERIOR NIGHT VISION & IMAGE QUALITY - The G840S mirror dash camera is equipped with an upgraded low-reflectivity LCD to reduce daytime reflections. With incorporated WDR & HDR technology for balanced lighting, and a professional-grade sensor paired with a 6-glass lens for superior image quality, nighttime driving or challenging lighting conditions are handled with ease.
  • GPS TRACKING ALL THE TIME - The included external GPS antenna enables real-time GPS data display directly on the dash cam. Easily playback recordings to relive your journey and analyze driving data with precision.
  • 24-HOUR PARKING MONITOR - Beyond on-the-road safety with loop recording, the WOLFBOX camera also features a 24-hour parking monitor. Time-lapse mode records at a low frame rate to conserve power and storage while ensuring continuous surveillance of your vehicle. (A hardwire kit is required for parking monitoring.)
  • ENHANCED STABILITY & ADDITIONAL FEATURES - Enjoy reliable performance with the upgraded USB-C power port, which eliminates issues like restarts and overheating. Unlock additional features such as streaming media rearview, adjustable viewing angles, and G-sensor recording for added peace of mind.

Brand: WOLFBOX


Model Name: G840S Mirror Dash Cam


Orientation: Front and Rear


Vehicle Service Type: Car


Connectivity Technology: USB


Special Feature: Built-In Display,Built-In GPS, Built-In Speaker,Built-In Supercapacitor, Compact Design,G-Sensor,Loop Recording, Parking Monitor,Reverse Assist,Mute Function, Internal Memory,Night Vision,Touch Screen See more


Video Capture Resolution: 1080p


Included Components: Car Charger, 4K Mirror Dash Cam, 1080P Backup Camera with screws and tape, 32GB Card, External GPS antenna See more


Mounting Type: Rearview Mirror Mount


Color: Black


Product Dimensions: 11.85 x 2.83 x 0.71 inches


Item Weight: 1.83 pounds


Item model number: G840


Batteries: 1 Lithium Polymer batteries required.


Connectivity technologies: USB


Special features: Built-In Display,Built-In GPS, Built-In Speaker,Built-In Supercapacitor, Compact Design,G-Sensor,Loop Recording, Parking Monitor,Reverse Assist,Mute Function, Internal Memory,Night Vision,Touch Screen


Other display features: Wireless


Color: Black


Whats in the box: Car Charger, 4K Mirror Dash Cam, 1080P Backup Camera with screws and tape, 32GB Card, External GPS antenna


Manufacturer: WOLFBOX


Language: English


Country of Origin: China


Date First Available: November 13, 2019


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, Nov 24

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Great dash cam/smart rear-view mirror for the price
TLDR: Your satisfaction with this item will depend on your need. If you want a all in one device - dash cam/rear camera/backup camera/GPS Speedometer/compass and the occasional rear camera view because your view is blocked - this is a must buy. But if you're planning on using this in rear camera mode all the time - this may not be the product for you. I was surfing YouTube one day and came across a video of a Smart Rear View Mirror and was intrigued. I have a midsize SUV and with the cargo area full of boxes, balloons or people, I can't see out of the rear view mirror. I always wanted a rear view camera as well and this crossed off a lot of my needs. We've come a long way when a touch screen product like this with all these features is a little over a hundred dollars. I went with the 12" because I saw how the 10" rear view mirrors had to extend the camera out so your original mirror doesn't block it. So it ends up being 12" anyway and doesn't look as clean. But I made sure I measured everything and that my sun visor wouldn't block it before getting the 12". After two weeks with the mirror, here is my list of Pros and Cons: Pros: -Quick install. I mounted the rear camera with the double sided tape to the glass of my SUV tailgate. That way it doesn't get dirty or wet. The higher position also reduces the camera being blinded by headlights straight on at night as opposed to it being mounted by your license plate. -At night, I find the screen at the lowest brightness works well. It's no brighter than the cars infotainment screen. -The large screen makes navigating and watching recordings easy. The UI was surprisingly easy to navigate. -Comes with a 32GB Mini SD Card so you're ready to go at the start. But I highly recommend getting a 64GB card, anything higher might cause issues. -One of the reviews said you couldn't set the screen to display mph or 12 hour time. I was able to set both, either they fixed it via a firmware update and the new ones are updated or some people are just not tech savvy. -My SUV already had a OEM crappy backup camera, so I didn't spend time tapping into the reverse light. -There isn't a app to wireless transfer the recordings. So you have to plug the miniSD card into a computer. -Navigating the folders to the files are pretty intuitive. But if you need to have both the front and rear recordings playing at the same time, you'll need to download their GV Player. Which I will add as a Con below. -Excellent and responsive customer service. Just make sure you email service.wolfbox@gmail.com and not what's listed in the manual. Cons: -Firmware. No mention anywhere how to update the firmware. I'll reach out to support to add me to the email list when new firmware is available. -Speed warning setting. Can't change it from kph to mph, but a firmware update in the future could fix this. Not that big of a deal, since you will only have to set this once. -No automatic brightness adjustments. In modern cars when the headlights come on, the tachometer and infotainment would dim accordingly. But I can see how this could be a liability as well. -I use this as a normal mirror, but with the time/date and GPS overlay on it. I have noticed the glare issue others have noted - especially when it's overcast (even with all my windows tinted -except the front). But since I'm not using the rear camera live video feed 100% of the time, it doesn't bother me. I was more interested in the rear dash cam ability. -I wish there was a saturation/hue and contrast setting, maybe in a future firmware update. -The GV Player has a little bit of a learning curve, especially when there is no manual. The user interface is also dated. I also couldn't figure out how to get the GPS portion working in the software. ... show more
Reviewed in the United States on March 26, 2020 by John W

  • great quality and pricing
installation instructions are OK, but a little hard to install the camera if it were installed outside the car. The video is excellent. Note, the cigarette lighter power source needs to be constant battery power, otherwise it will not function right . Most cars now a days the cigarette lighter socket is powered only when ignition is on! ... show more
Reviewed in the United States on November 4, 2024 by Teddy C.

  • It’s alright but not the best.
Update 10/23/24 I’m changing the review for this dashcam because their customer support is amazing. Someone contacted me in regards to my issues with the dashcam and provided everything needed to make sure I was happy with it. Offered extra tips and tricks for installation and ultimately helped me in figuring out a solution. Now the only thing that has a downside to this date and something highly important is the lack of visibility from the rear cam when it’s installed outside and it rains. I unfortunately have to remove the dash cam to see out my car. I have this camera installed in two cars now after convincing my fiance in getting one too. My car is a Dodge Charger and her car is a Subaru Forester. Both rear cameras installed above the license plate and we both have issues with visibility when it rains. We are testing out the rain-x tip we found online and hope that helps. I should’ve looked into reviews a little more and probably searched for something at a better price. But overall this dash cam is OK and here’s why: 1. The quality for the front camera is great, both at night and day. 2. Videos are clear and you can read license plates 3. The fact that you can adjust the camera view by simply touching on the screen and adjusting it, is a huge plus. 4. Setting up and installing everything was easy peasy. Now for the downsides: 1. The back up camera is TERRIBLE at night, especially if you have a car with dark tinted windows. You will NOT see anything at night. So if you drive at night a lot, I’d consider installing the camera on your license plate frame. 2. Playing back footage is so hard when you have to scroll past a thousand 1 mins videos because it records for 1 min and stops, then starts up again. 3. Price. Not bad but considering the downsides but if I would’ve know the night quality is this bad, I would’ve gone with something cheaper. ... show more
Reviewed in the United States on August 23, 2024 by Araceli A

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