What you'll need to check before ordering
This two-channel camera records ahead in 4K and behind in 2.5K, both at 30FPS. The front lens spans 155 degrees and the rear 160, so the pair is meant to reduce the blind spots a single unit leaves. Vantrue credits PlatePix with keeping plate detail readable in strong backlight, and the STARVIS 2 sensor is behind the low-light claims.
We'd consider this a fit for drivers who want one purchase to cover both ends of the car. Two things decide whether it suits your vehicle. The windshield mount is high-adhesive, so you need a clean flat patch where the body won't sit inside a wiper shadow or block your view. The rear camera also needs a cable run to the back glass, which is simpler in a sedan than a long SUV or an RV with a rear wall to work around.
| Product detail | Value to match to your vehicle |
|---|---|
| Product | Vantrue S1 Pro Max 4K+2.5K Dash Cam Front and Rear |
| Model | S1PM 4K+2.5K RC18-1 |
Where the S1 Pro Max stops
What it will not do is record while parked unless you add a hardwire or OBD kit, because the four parking modes, including motion detection and time-lapse, need that extra connection. It also ships without a memory card, and Vantrue warns that low-quality cards cause freeze or corrupted files. Plan on a 64GB, 128GB or 256GB Vantrue industrial card rather than a spare from a phone.
The ADAS forward collision and blind spot alerts are driver aids, not replacements for your mirrors or attention. This is a camera and evidence tool, not a repair or safety system.
We recommend buying the card alongside the camera so your first drive records without a gap.
We'd skip the parking modes entirely if you don't want to run a hardwire kit.
What $249.99 buys you here
- Amazon price
- $249.99
- Customer rating
- 4.3
- Customer reviews
- 44
- Typical price over 90 days
- $263.53
- Difference
- $13.54 (5 percent)
The current price is $249.99, which is $13.54 below the typical price over the last 90 days of $263.53. That works out to about 5 percent off. If you were already shopping this class of dual camera, the gap is real but not urgent.
Power, mounting and connection checks
For parked recording, confirm the hardwire or OBD kit matches your fuse box or port and that you can route the cable without pinching it in a door seal. For normal driving, the camera runs from your car's power and uses a super capacitor instead of a battery, which Vantrue says handles heat better. Still, check that the adhesive mount sits on clean glass and not over tint or dots.
The 5GHz WiFi is for the app, so test that your phone connects before you rely on it to pull a clip. GPS and BeiDou record speed, route and timestamps, and the five-language voice control is for hands-free commands. Confirm your preferred language is one of them if that feature matters to you.
Who should choose this and who should not
Choose the S1 Pro Max if you want front and rear coverage in one purchase, care about night plate detail, and are willing to buy a proper memory card and possibly a hardwire kit for parking. The 18-month extended warranty, activated by registering online, adds some cover for the price. Skip it if you only need a front camera, if you won't run a rear cable, or if you want parking monitoring without any extra wiring. The last check is whether a 64GB, 128GB or 256GB card fits how many hours you actually drive between downloads.
Specifications
| Model | S1PM 4K+2.5K RC18-1 |
|---|