
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…
Price as of 2026-06-05. Check Amazon for the current price.
Quick Decision
Price Intelligence
Is This Right For You?
- •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
- •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)
- •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+
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 |
| Rating | 4.3/5 | 4.3/5 | 4.5/5 | 4.2/5 |
| Reviews | 14,527 | 5,391 | 2,366 | 4,505 |
| Mubboo Score | B+ | 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.
- Excellent image clarity
- Simple installation process
- Great value for the price
- Effective night vision performance
- Reliable and durable construction
- High defect rate or early failure
- Lower-than-expected image resolution
- Flimsy build quality and cheap materials
Expert Picks in Backup Cameras
- 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
- 📹 Best Truck Backup Cameras 2026 - The Only 6 To Consider Today — Consumer Betterment
- 📹 DON'T Buy a Backup Camera Until You See This | Top 7 Best Backup Cam Reviews & Buying Guide — Best Product Quest
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
Other Backup Cameras




Featured in Our Reviews
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.
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.