Basic Dash Cam Features: A Beginner's Guide
Thinking about your first dash cam? Before you get lost in spec sheets, it helps to understand the basic dash cam features that actually matter. The good news is there are only a handful, and every dash cam we sell handles them automatically, without much work from you. This quick guide walks through each one in plain English.
Why the basic dash cam features matter
A dash cam is a small camera that sits on your windscreen and records the road while you drive. How easy it is to live with comes down to a few basic features. Get these right and the camera quietly does its job, giving you proof of what happened if anything ever goes wrong on the road.
Auto-start and auto-recording
Having the camera turn on and start recording by itself is the most basic feature of any dash cam. You do not press a button or remember to switch it on.
The moment your car gets power, the camera powers up and records on its own. That power can come from the cigarette socket, a hardwire kit to your fuse box, or a dedicated battery pack. Cameras with parking mode will even keep recording while the car is switched off.
Loop recording
A dash cam records onto a removable microSD memory card, so there is only so much room for video. Loop recording is when the camera continuously overwrites the oldest footage once the card is full.
In plain terms, the newest clip records over the oldest one you no longer need. That means you never have to delete files or worry about running out of space. The footage keeps rolling on its own.
Memory capacity
How many hours your dash cam can hold comes down to the microSD card inside it. Cards start at around 32GB and go up through 128GB, 256GB and even 512GB.
A camera recording in 4K, or one with front and rear cameras, fills a card faster than a single front camera on a lower setting. So a bigger card simply gives you more hours before it loops. You can see the cards we trust in our dash cam memory card range.
Secure attachment
Even a small bump creates strong forces inside a car, so a securely attached dash cam matters. We recommend cameras that stick to your windscreen with an adhesive mount, a strong sticky pad, rather than a suction cup.
An adhesive mount holds the camera flat and firm against the glass. That cuts down vibration on rough roads and keeps the camera in place during a crash, which is exactly when you need it recording. You can find mounts and mounting tape in our dash cam accessories range.
Field of view
Field of view is how wide the camera sees, measured in degrees. Too narrow and it misses cars coming from the sides. Too wide and the footage starts to look stretched and fish-eyed.
The sweet spot sits between about 125 and 165 degrees, with most dash cams around 140 degrees. That is wide enough to catch action to the side while still keeping number plates clear in the middle.
Audio recording
Most dash cams record sound as well as video through a built-in microphone. This can be useful, for example if you are pulled over and there is a dispute about what was said, or if another driver admits fault at the scene.
The microphone is sensitive enough to pick up voices near the car too. If you would rather not record conversations, you can switch the microphone off in the settings at any time. Recording other people's private conversations is governed by surveillance devices legislation that differs between states, so if you carry passengers it is worth checking the rules where you drive. Our guide on whether dash cams are legal in Australia covers it state by state.
Getting the basic features sorted
That is the lot. Auto recording, loop recording, memory, a secure mount, field of view and audio are the basic dash cam features every first-timer should understand. Every camera we stock is genuine Australian stock and handles all of them out of the box.
Ready to choose? Browse our full range of dash cams in Australia to compare every model we stock.
If you would like a hand choosing your first one, Michael and Harrison are happy to talk it through in plain English. Just get in touch with our team and we will sort you out. No worries.
Last reviewed: 19 August 2026. We sell VIOFO, Vantrue and WOLFBOX, so read this as retailer advice rather than an independent survey of the market. If anything here is wrong or has gone out of date, tell us and we will correct it.