Wolfbox G840S
Dash Cams

G840S

Wolfbox

Released Dec 1, 2022 · Analysis updated Feb 14, 2026

Wolfbox G840S mirror dash cam offers 4K front/1080p rear, 12-inch screen with 1.5x view, 170° front and 140° rear lenses, WDR/HDR night vision, and GPS tracking. The Wolfbox G840S scores 85/100 based on 6 expert reviews in the dash cams category. Coverage includes reviews from Oneclearwinner, Cargadgetguy Medium, Dashcamdiscount, and Productreviewcrew.

Critic Score

What's this?
85

based on 6 expert reviews

OneclearwinnerCargadgetguy MediumDashcamdiscountProductreviewcrewDriving+1 more

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Pros

  • Night vision(4)
  • 4k resolution(2)
  • Parking monitoring security(2)

Cons

  • Requires hardwiring for parking monitoring(2)

6 Expert Reviews

92
Jul 14, 2024

The Wolfbox G840S 4K Mirror Dash Cam is ranked as the 4th best night vision dash cam with a 9.2/10 score.

85
Oct 13, 2024

The WOLFBOX G840S 12" 4K Mirror Dash Cam offers exceptional clarity, expansive viewing, and advanced features like GPS tracking and 24-hour parking monitoring.

85
Jan 22, 2024

The Wolfbox G840S dash cam offers excellent 4K video quality and night vision performance, though it has some minor drawbacks with the rear camera setup.

85
Dec 14, 2025

The Wolfbox G840S Backup Camera delivers superior image quality, a large display, and built-in dashcam functionality, making it an excellent choice for complete rearview safety.

82
Nov 13, 2025

The Wolfbox G840S blends the functions of a rear-view mirror and a dual-channel dashcam system, offering a compelling choice for those looking beyond basic dashcams.

82
Dec 28, 2022

The Wolfbox G840S is a high-quality dashcam and reverse camera that offers a wide range of features including 4K resolution, a large screen, and advanced safety features at a reasonable price.