Nobody Thinks About a Dash Cam Until They Need One

I know the feeling. You tell yourself you'll get around to installing one, then someone clips your bumper in a parking lot and drives off, and suddenly you'd give anything for twenty seconds of footage. That's the situation that pushed me to finally look properly at what's available under $40. I didn't expect to land on a 70mai.

What the 70mai M310 Plus Actually Does

This is a single-channel front dash cam from 70mai - a brand that sits under the Xiaomi umbrella and has built a decent reputation in the dashcam space over the past few years. It records at 2K (1440P), which is a step above the 1080P you'd find on most cameras in this price range, and it shoots at a 143-degree field of view. Wide enough to capture adjacent lanes, not so wide that everything looks distorted.

The night vision is where this camera earns its keep. The F1.55 aperture - that's the lens specification that determines how much light gets in - makes a real difference in low-light conditions. Parking lots, dark streets, early morning commutes: the image holds up better than I expected for this price. It doesn't turn night into day, but you can read plates and identify vehicles without squinting.

Voice control is a feature I initially dismissed as a gimmick. After using it, I changed my mind. Being able to say a command to lock a clip or take a photo without taking your hands off the wheel is actually useful. The app (iOS and Android) is clean and connects over WiFi without much fuss - downloading clips to your phone takes a few seconds.

The 24-hour parking monitor is the feature that separates this camera from the budget crowd. When the car is off, the camera stays in a low-power state and starts recording if it detects motion or a physical impact. If someone scrapes your car while it's parked, you have a chance of catching it. Most cameras at this price point don't include this.

The camera auto-starts when you turn on the ignition and auto-stops when you turn it off. No manual intervention required once it's set up.

Now the honest part: you need to buy a microSD card separately, and it matters. A few users reported needing to reformat or repartition their card before the camera recognized it correctly. It's not a deal-breaker, but it's extra friction on setup day. Also, this is a front-only camera - there's no rear channel. And there's no built-in GPS, so you won't get speed or location data overlaid on your footage.

What You'd Normally Get at This Price

At $35, the dashcam market splits into two groups. The first is no-name cameras from unknown manufacturers - they record at 1080P, come with apps that crash regularly, and you have no idea if the brand will exist next year. The second is stripped-down entry models from actual brands, usually without parking mode or decent night vision.

70mai M310 Plus 2K Dash Cam: Worth It Under $35?

The 70mai M310 Plus sits in an unusual position: it's a real brand, 2K resolution, with parking monitoring and voice control, at a price point where those features don't normally show up. The equivalent from Nextbase or Garmin would run you $80 to $120. You're giving up GPS, a touchscreen, and some polish - but the core function, which is capturing clear footage when something goes wrong, is covered.

For the record, 70mai also makes higher-end models with GPS and dual-channel recording in the $60-100 range. If budget isn't the constraint, those are worth looking at. But if you want something solid under $40, this is a credible option.

Buy It If / Skip It If

Buy it if:

You want a real dash cam from a real brand without spending over $40
You drive at night or in poorly lit conditions regularly
You want parking protection without going up to the $80+ tier
You've been putting off getting a dash cam because the options felt overpriced

Skip it if:

You need GPS speed/route data recorded alongside your footage
You want front and rear coverage - this is front-only
You want a completely plug-and-play setup with zero configuration

My honest take: for $35, this punches above where it should. The 2K resolution is noticeably better than 1080P alternatives, the night vision holds up, and parking mode at this price is genuinely unusual. The microSD setup step and the lack of GPS are real limitations - but if those aren't blockers for you, this is one of the better-value dashcams I've looked at under $40.

Price: $35 (was $55) - check it here: https://www.ali-ex.com/bTqlxq