70mai

70mai Dash Cam M310 Plus 4K, 2160P Mini Wi-Fi Car Camera, 4K Dash Cam for Parking Monitor, Night Vision, Voice Control, Time-

★ 4.3 / 5 ★★★★☆ on Amazon · 1,099 ratings · recorded 19 Jul 2026

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Product details checked 5 September 2026 · price checked live

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Overview

We track 70mai Dash Cam M310 Plus 4K, 2160P Mini alongside 49 other car & vehicle electronics products, comparing it on rating, how many people have rated it and what it currently costs. According to the listing: The 70mai Dash Cam M310 Plus 4K has a screen‑free design with an ultra‑compact body (92.6×43.1×46.5mm) that won't spoil your car's interior or distract your driving. The 4K dash cam records in true 3840×2160P resolution – four times the clarity of standard 1080P. Those are the seller's own claims rather than our testing, so treat them as a starting point. On Amazon it holds 4.3 out of 5 from 1,099 ratings. What that score is worth next to its rivals is set out below.

Price range as of 2 Oct 2026, 06:51 BST · details

How it compares in Car & Vehicle Electronics

Across the 50 rated car & vehicle electronics products we track, the typical score is 4.4 out of 5. This one sits at 4.3, which is in the bottom quarter of the category. That does not make it a bad buy, but there are better-rated alternatives on the same shelf, so it needs another reason to earn your money.

It carries 1,099 ratings against a category median of 8,370. That is a thin base by the standards of this category, so treat the score as provisional: a handful of extra reviews can still move it either way.

On price it sits in the upper third of a category running from £3.99 to £54.96, where the midpoint is about £14.22. Paying above the category norm needs a reason beyond the rating, because the score alone does not justify the gap here.

Category prices as of 2 Oct 2026, 06:51 BST · details

Worked out from the 50 car & vehicle electronics products in our catalogue, not from the brand's own claims. How we rank →

Key features, as the manufacturer lists them

Taken from the product listing via Amazon's product API. These are the seller's claims, not our test results.

• 【Mini & Flexible Installation】The 70mai Dash Cam M310 Plus 4K has a screen‑free design with an ultra‑compact body (92.6×43.1×46.5mm) that won't spoil your car's interior or distract your driving. It supports 360° manual rotation for front or rear windscreen mounting – perfect for capturing inside or outside the vehicle. The app also lets you enable video flip and mirror mode, so you don't have to worry about image direction even if installed upside down.
• 【4K Ultra HD Recording】The 4K dash cam records in true 3840×2160P resolution – four times the clarity of standard 1080P. The 140° wide-angle design strikes the balance – it easily covers multiple lanes and reduces blind spots, without the severe edge distortion often caused by overly wide angles. From number plates and road signs to distant details, everything is captured clearly.
• 【Exceptional Night Vision & WDR】The car camera is equipped with a large F1.55 aperture for maximum light intake and enhanced low-light brightness. The 2G4P six-layer optical lens reduces distortion and colour difference, while WDR balances exposure to avoid overexposed highlights or underexposed shadows. The 3D Noise Reduction algorithm ensures cleaner, sharper images. Even in tunnels or on unlit roads at night, video stays clear and smooth.
• 【210s Emergency Recording】M310 Plus 4K features a new pre-recording system. It normally loops in 1–3 min segments. On collision, it auto-adds 30s post-impact and smartly merges videos: if impact within first 10s of current segment, it merges previous clip, footage from impact, and the added 30s; if after 10s, it saves from segment start to 30s post-impact as a complete video. Emergency videos, up to 210 seconds long, provide complete evidence for liability and insurance claims.
• 【24H Parking Monitoring & Time Lapse】This car dash cam auto features both time‑lapse recording and collision detection. In time‑lapse mode, it records at 1 frame per second with low power consumption, compressing 30 minutes of footage into 1 minute to save storage space and battery life. If a collision is detected while parked, it wakes up and records a 30‑second emergency video. Parking monitoring and time lapse require the separately sold hardwire kit (UP03 ASIN: B0C36J71VG, UP06 ASIN: B0FF52F6ZB).

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