Wireless Reversing Cameras: Are They Worth It in NZ?

A wireless reversing camera sends its picture to the screen by radio, Wi-Fi or Bluetooth instead of a video cable, which saves running a cable from the back of the car to the dash. It is not completely wire-free: the camera still needs power at the back, usually from the reverse light. Wireless is a good fit for trailers, caravans and long vehicles. For an everyday car, a wired camera usually gives a steadier picture that appears every time you select reverse.

The three main types

• Wireless camera kits: a camera with a transmitter at the back and a receiver at the front, feeding a small monitor or your head unit's camera input. Digital kits hold the picture better than older analogue ones.
• Wi-Fi cameras: the camera creates its own Wi-Fi link and the picture shows in an app on your phone.
• Bluetooth and battery or solar cameras: often clip onto the number plate and need charging or rely on a small solar panel.

Where wireless works well

• Caravans, trailers and horse floats: no cable has to cross the towbar connection each time you hitch up.
• Long vehicles: motorhomes, vans and utes with canopies, where a cable run is long and awkward.
• A quick, temporary setup: on a vehicle you will not keep for long.

Where wireless falls short

• Dropouts and interference: other signals and the car's own electrics can break up or freeze the picture. See reverse camera flickering.
• Lag: a short delay matters when you are close to something.
• Phone-app cameras are not automatic: the phone has to be unlocked with the app open, rather than the screen switching over when you select reverse.
• Charging: battery cameras run flat at the worst time unless you keep them charged.

Wired or wireless for your car?

For a car you drive every day, a wired camera is the better long-term choice. The cable is hidden in the trim, the picture is steady, and it comes on automatically with the reverse gear. A wireless kit makes sense when a cable run is genuinely hard, or the camera is on something you tow. Our reverse camera buyer's guide compares mounting types and features, and how to install a reverse camera covers the wired route.

Have it fitted

We fit reversing cameras at your home or work, wired so the picture appears when you select reverse: see reverse camera installation.

Frequently asked questions

Do wireless reversing cameras need power?

Yes. Only the video is wireless. The camera still needs power, usually from the reverse light circuit, or a battery or solar panel on clip-on models.

Are wireless reversing cameras any good?

Digital wireless kits can be good, especially for caravans and trailers. They are more prone to dropouts and lag than a wired camera.

Can a wireless camera show on my car stereo screen?

Many kits can feed a head unit's camera input through their receiver. Wi-Fi and Bluetooth cameras usually show in a phone app instead.

Is a wired reversing camera better?

For a car you keep, usually yes: a steadier picture, no signal to lose, and it switches on by itself when you reverse.