WOLFBOX G840S 12" 4K Mirror Dash Cam Backup Camera
WOLFBOX

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…

🏆 Top 3% Bestseller in Backup Cameras
$129.99$169.99Save 24%4.3(14,527 reviews)
Mubboo Score B+
Buy on Amazon $129.99

Price as of 2026-06-05. Check Amazon for the current price.

Quick Decision

Mubboo Score
B+
Best For
Buyers who prioritize quality over price in Backup Cameras
Skip If
You're on a tight budget
Reviews
14,527+ · highly reliable

Price Intelligence

Is This Right For You?

✅ Great for
  • Buyers who prioritize quality over price in Backup Cameras
  • Risk-averse buyers — 14,527+ reviews give a highly reliable picture
  • Top 3% bestseller in Backup Cameras — proven market demand
⚠️ Think twice if
  • You're on a tight budget — $17 above the category average of $113
  • pemacom 1080P HD Wireless Backup Camera: 1-Min Magnetic offers a better rating (4.5/5) at a similar or lower price ($110)
💡 Consider instead
  • LeeKooLuu HD 1080P 7 Inch Wireless Backup Camera — 44% cheaper at $73 (Score B+)
  • pemacom 1080P HD Wireless Backup Camera: 1-Min Magnetic — higher rated at 4.5/5 ($110)

📊 Based on data analysis of 39 products in this category.

Mubboo Score: B+

Quality8.6/10
based on 4.3/5 customer rating
Popularity9.4/10
14,527 reviews, top 8% in Backup Cameras
Value3.3/10
priced below 33% of Backup Cameras

How It Compares

This Product
WOLFBOX G840S 12" 4K Mirror Dash Cam Backup Camera
Most Popular
Yakry RV Backup Camera Wireless Plug and Play: Pre-Wired
Best Rated
pemacom 1080P HD Wireless Backup Camera: 1-Min Magnetic
Best Value
LeeKooLuu HD 1080P 7 Inch Wireless Backup Camera
Price$129.99$90.99$109.99$72.98
Rating4.3/54.3/54.5/54.2/5
Reviews14,5275,3912,3664,505
Mubboo ScoreB+B+B+B+

Quick Specs

Color
Black
Frame Rate
30 FPS
Unit Count
1.0 Count
Item Weight
830 Grams
Screen Size
12
Display Type
LCD
Manufacturer
WOLFBOX
Model Number
G840

What People Say

Synthesized from 40 reviews · 100% verified purchases.

Test the camera immediately upon receipt, as defect rates can be high; also, verify your vehicle's compatibility and be prepared to add extra sealing or wiring extensions for a reliable install.

Praised for
  • Excellent image clarity
  • Simple installation process
  • Great value for the price
  • Effective night vision performance
  • Reliable and durable construction
Common complaints
  • High defect rate or early failure
  • Lower-than-expected image resolution
  • Flimsy build quality and cheap materials

Expert Picks in Backup Cameras

wirecutter
  • Viofo A229 Pro — Overall best dash cam
  • Miofive S1 — Budget single-camera
  • Miofive S1 Ultra — Budget dual-camera

Category recommendations from independent expert publications. Source links in References.

Related Video Reviews

Key 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 prov…
  • 5.8GHz WiFi&GPS TRACKING - The included external GPS antenna enables real-time GPS data display directly on the dash cam. Connect to your phone via Wi-Fi and use the "WOLFBOX" app …
  • 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 drivin…
  • 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 te…
  • 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 …

Source: product listing on Amazon.

About WOLFBOX

  • 13 products in our database
  • Average rating: 4.5/5 across all products
  • Price range: $15.99$389.99
  • Categories: Backup Cameras, car-electronics, Car Jump Starters

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Bottom Line

WOLFBOX G840S 12" 4K Mirror Dash Cam Backup Camera earns Mubboo Score B+. Priced at $130 — a premium option, above the category average of $113. Rated 4.3/5 from 14,527+ reviews. Strong buy if: buyers who prioritize quality over price in backup cameras, risk-averse buyers. Skip if: you're on a tight budget — Yakry RV Backup Camera Wireless Plug and Play: Pre-Wired (Score B+, $91) may fit better.

Buy on Amazon $129.99Last verified: 2026-06-05

Frequently Asked Questions

Is the WOLFBOX G840S 12" 4K Mirror Dash Cam Backup Camera worth buying in 2026?

It earns a Mubboo Score of B+, with a 4.3/5 rating from 14,527 reviews — better than 33% of Backup Cameras we track.

How much does the WOLFBOX G840S 12" 4K Mirror Dash Cam Backup Camera cost?

It is currently $129.99 — premium-tier pricing for Backup Cameras.

How does the G840S 12" 4K Mirror Dash Cam Backup Camera compare to other Backup Cameras?

The category's most-reviewed alternative is the Yakry RV Backup Camera Wireless Plug and Play: Pre-Wired (4.3/5, 5,391 reviews, $90.99). The G840S 12" 4K Mirror Dash Cam Backup Camera carries a Mubboo Score of B+ vs B+.

Sources & References

Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-05) and may change.