8 reviews for WOLFBOX G840S 12″ 4K Mirror Dash Cam Backup Camera, 5.8GHz WiFi Smart Rearview Mirror for Cars & Trucks, Front and Rear View Dual Cameras, Night Vision, Parking Assistance, Included 32GB Card & GPS

1. 

   Sabre39 – August 4, 2025

   A great dash cam with some minor issues
   This is the best dash cams I’ve owned the quality of the video and ease of use is pretty darn good. ease of installation is really dependent on the type of vehicle you own and the type of installation you want to do. Do you want all the wires neatly tucked away and hidden or do you want to use the sticky cable retention pieces that are in the box and make it easier. And obviously you can always pay a professional to install. I have three things that I would like to see improved on newer models / 2.01. The power button needs to have some kind of isolating rubber around it or be fixed in place. I have 2 different units and all both of them the button vibrates if the road is rough and gets picked up by the two microphones that are on both sides of the power button. The fix is just put a piece of tape over the power button not tight enough to depress it but enough to stop it from moving around. Wolfbox customer service sent me a replacement unit but it did the same thing the power button is a little loose and gets picked up by the microphones.2. Wolfbox phone app, I have Android so I can’t speak to the experience on iOS however for some reason it doesn’t allow me to edit the video in the software it keeps saying that this function is not supported when I go to save. It also creates two file locations. one file of the video will be found in the wolfbox app, another one in my Google photos file. However I can’t access the Google photos one as it is blank and says cannot be played until I delete the one in the wolfbox app then the one in the Google photos app works fine and can be played then. If I delete the one in the Google photos app first it deletes the one in the wolfbox app kind of confusing but I figured it out. Also sometimes playback in the wolfbox app is laggy.3. This isn’t in regards to the camera specifically but to the OEM wolfbox mounts. I have the Jeep one but reading reviews the one that attaches to the window Puck does the same thing. The plastic is pretty thin that mounts to the back of the camera unit it allows vibration into the unit and that can slightly be seen on playback.Overall this is the best camera system I’ve used it’s really nice.. I know some of the stuff I say to the above is some nitpicks I also would like to see the 10-in have the OEM Mount support. I have a 12-in unit and in a jeep my sun visors will hit the unit because it’s so wide. I probably would have purchased the 10-in fir the jeep if it could be mounted to the OEM brackets from Wolfbox but for some reason they cannot.I would definitely buy again I’ve already bought two of them hopefully in a revision they fixed some of the minor issues that I have come across. I also like to see the tri camera unut not be so expensive I really would have liked to get the tri bumper but not for an extra $250 and all it’s adding is one camera the front bumper. Also in closing I’ve been in contact with wolfbox customer service support. Their customer service is probably some of the best I’ve ever experienced they reply on weekends during the night during the day like they must have somebody on 24-hour customer support. They provided possible solutions to the issues. Some of the suggestions work some of them did not however the unit is still an amazing dash cam it’s aesthetically pleasing and an extremely well-functional.

2. 

   jon – August 4, 2025

   Great Product
   Very nice rear view cam system.Picture quality is great,And the rear cam has great wide angle viewing.Good piece of mind with the 24hr surveillance while parked overnight.I hooked the system up using the OBD II outlet I highly recommend doing it this way it’s just plug and play.. Installation was easy thanks to all the YouTubers out there showing how to install..took the guess work out of it.nice interface..My only gripe is the lack of ease using the app not very friendly because my android auto gets in the way, not understanding why you would think wolfbox could come up with an update to fix,that and I can’t go far out of range to use the app.. Please fix the issues and make it compatible to work around the android auto app .. Plus it keeps showing a lock symbol while driving it’s an easy fix but annoying as hell,And kind of wish the rear cam was zoomed in just a little bit more to have that natural feel.Works good on my 2022 Honda CR-V Hybrid,Other than that this is definitely 5 stars all day long 

3. 

   chinadoll – August 4, 2025

   Wolfbox 840S dash cam
   I have used the dash cam for about a week and this is what I found: It was easy to install over my existing mirror of course we installed the rear camera ourselves and it wasn’t to difficult I have a mini cooper convertible and it installed just fine with the licenses plate attachment. The quality is good on front camera but the rear camera works Beautiful except for at night when its really dark and not many street lights the video is grainy but re-adjust itself when there are street lights. On the rear video the headlights from other cars I cannot see the car behind me or read the license plate the lights blind the camera only when the car is close sometimes at a distance its not to bad but not good. I don’t know if there is an another rear camera I could purchase to replace just that one with better quality. The reason I purchased the dash cam in the first place was for the rear camera for my convertible because my top sits on top of my trunk or boot I cannot see the cars behind me again (this was my purpose of buying the dash cam) during the day its great its only at night and just for future I think a front facing camera would be good also I am used to seeing myself in the rear view mirror and I forgot to mention that there is a glare in the rear view mirror when my top is down and its hard to see the rear view mirror I read the reviews on the glare cover and they weren’t that good. I can live with that but having a hard time with the headlight blindness from the rear camera when cars are behind me at night. I will come back and attach a video or snapshot to show you what I mean. Overall the dash cam isn’t bad I may need to spend more to get more I guess. I don’t know for sure but if I could upgrade just the rear camera for better quality for now, so I would not have to rewire everything that would great.

4. 

   Limerunner12 – August 4, 2025

   Whats a good start for a technology that will help me drive safely. Thanks.

5. 

   Gianluca – August 4, 2025

   Ottima Dashcam per quanto riguarda la qualità costruttiva e la qualità delle immagini. L’unico aspetto da tenere presente è l’angolo di ripresa della telecamera posteriore. E’ dichiarato l’angolo orizzontale (140 gradi) ma non quello verticale. Dovendola installare su un camper volevo sostituire quella precedente montata in alto. In sintesi per avere una visuale posteriore sia della strada che del retro del mezzo arriva al massimo a 2 metri di distanza dal posteriore. Sicuramente non idonea per le manovre in retromarcia . Ho montato la telecamera in basso sopra la targa, così arriva a 50 cm dal posteriore. Ho consigliato al venditore di indicare in descrizione anche l’angolo visuale verticale. Se volete montarla su un camper spero che la mia esperienza vi sia utile.AGGIORNAMENTO: Ho modificato la recensione a 5 stelle in quanto il venditore mi ha contattato per comprendere il problema, ringraziandomi anche dei suggerimenti che gli ho fornito.

6. 

   Dominik – August 4, 2025

   Die WOLFBOX 12″ G840S 4K Spiegel-Dashcam ist echt das Beste, was wir für unseren Camper gekauft haben! Das große Display ersetzt den Innenspiegel perfekt, die Bildqualität ist glasklar, selbst bei Nacht, und die Rückfahrkamera macht das Einparken mit dem Vivaro richtig angenehm.Dank GPS, Loop-Aufnahme, G-Sensor und Parküberwachung fühlt man sich unterwegs einfach sicherer. Die Einrichtung war super einfach, das Menü ist übersichtlich und mit dem Touchscreen lässt sich alles bequem bedienen.Und dass sogar noch eine 32 GB-Karte gratis dabei war – top!Für Camper absolut empfehlenswert – nie mehr ohne!

7. 

   Mert Tunali – August 4, 2025

   The screen and touch responce is great. It has nice features. Front camera is pretty good but rearview is not as good after dark. Some pictures that are uploaded can be misleading and make you purchase a different model rather than what you want.More importantly, the customer support is phenomenal. They will fix any issue and make sure you are happy with the purchase and the brand. Happy to own a Wolfbox branded product.

8. 

   ASAD BANGASH – August 4, 2025

   Great product, value for money, used for couple of days now and the everything is working really well. Super easy to use. Thanks.