Where the magnetic base will actually hold
The AUTO-VOX S4B-N sticks to metal, so a steel bumper, tailgate, or trailer frame gives you the quick attachment this camera is built around. The rubber-coated base is there to protect your paint, and because it removes easily you can move it between vehicles.
If your mounting spot is aluminum, wood, or plastic, the included iron sheet is what makes the magnet work. Check that flat metal area first, because the whole one-minute setup depends on it. We'd consider this a fit-first purchase, not a price-first one.
| Product detail | Value to match to your vehicle |
|---|---|
| Product | AUTO-VOX 5 Inch Magnetic Wireless Backup Camera |
| Model | S4B-N |
| Color | BLACK |
| Size | 5 inch single cam |
What it will not do
This is a monitoring camera, not a parking sensor and not a replacement for mirrors or your own checks. The 2.4GHz link runs up to 50 feet, so treat that as the supported wireless range rather than a guarantee through every trailer wall or dense interference.
The automatic wake when parked is useful for campground security, but it is a camera function, not a security system with alerts or recording.
Watching the rear and side views at once is the supported job.
Night vision uses two infrared LEDs, so it is a low-light aid, not a substitute for your own eyes.
The sleep mode saves battery when idle; it does not add recording or alerts.
What the $109.96 buys
- Amazon price
- $109.96
- Customer rating
- 4.4
- Customer reviews
- 397
- Typical price over 90 days
- $123.82
- Difference
- $13.86 (11 percent)
At $109.96, this is $13.86 under the typical price over the last 90 days of $123.82, about 11 percent off.
The listing shows a broad base of feedback before you commit, though that does not tell you whether the magnet will hold on your specific vehicle. Your deciding check is whether the mounting surface is steel; the included iron sheet covers aluminum, wood or plastic panels, but the camera still needs a spot to grip. The typical price over the last 90 days puts it at $109.96, or $13.86 below the $123.82 the listing normally runs for a regular charge.
Mounting and range checks before you order
Confirm the screen and camera are the only two pieces you need to power and place, since the description covers no wiring between them. The 5 inch monitor is a single-camera kit, so plan where it sits in view without blocking your driving position.
Check that your chosen metal surface is flat enough for the magnetic base to seat, and have the iron sheet ready if it is not. Think about the distance from camera to monitor against that 50 foot wireless figure.
The battery is rated for over 15 hours of continuous use per charge, so for long trips decide how you will recharge between drives. The IP69K rating covers wet weather, and the lens coating is meant to shed raindrops.
Who should buy this camera
Choose it if you move between trailers, RVs, or box trucks and want a camera you can attach and remove without running cable. The carry case supports that travel use.
Skip it if you need permanent hardwired coverage, a multi-camera grid, or mounting on plastic and aluminum without a flat spot for the iron sheet.
Specifications
| Model | S4B-N |
|---|---|
| Color | BLACK |
| Size | 5 inch single cam |