[Car Knowledge] 10 Key Points to Consider When Buying a Car Dash Cam?
When you purchase a driving recorder (car cam, dash cam) in Hong Kong, please pay attention to the following points to help you choose the most suitable product:
1. Image quality (resolution)
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1080p Full HD is the basic requirement
720p is no longer recommended; if your budget permits, choose 2K or even 4K resolution to capture license plates and details more clearly. - Night Vision <br>Effective night-time shooting features (such as Sony sensors, infrared, WDR/HDR technology) preserve details even in low light conditions.
- Wide angle of lens <br>It is recommended to use a wide angle of 140°-170° to cover the road on both sides of the front of the car and avoid blind spots.
2. Recording and storage
- Loop Recording <br>will automatically overwrite the oldest video, ensuring there is always room on the memory card for new clips.
- Support large-capacity MicroSD cards <br>It is recommended to support 128GB or above to avoid frequent replacement.
- Automatically lock important clips <br>With G-Sensor (automatically lock the video clip when a collision occurs to prevent it from being overwritten).
3. Front and rear lenses (dual lenses)
- Dual-lens design <br>The front camera records the front, and the rear camera records the back, which is particularly suitable for dealing with rear-end collisions and disputes with rear-end vehicles.
- Additional parking camera can be connected <br>Some models can be equipped with side mirrors and parking cameras for more comprehensive coverage.
4. Installation method
- Power supply method <br>Please pay attention to whether to use the cigarette lighter, USB, or require professional wiring (recording continues after the ignition is turned off, called Parking Mode).
- Ease of installation <br>Whether it supports hidden installation to reduce the risk of theft and obstruction of vision.
5. Parking Mode
- Record after turning off the ignition key <br>Supports motion detection and collision recording to ensure that suspicious incidents can be recorded even when the vehicle is parked.
- Professional wiring or external battery is required to avoid damaging the car battery or affecting starting.
6. Operation and interface
- Whether there is a display screen <br>Convenient for instant review and adjustment of settings.
- Wi-Fi/mobile phone app connection <br>You can use your mobile phone to download videos and settings instantly.
- Easy to operate <br>Buttons and menu designs are easy to understand.
7. Brand, maintenance and after-sales
- Choose reputable brands such as Viofo, BlackVue, Thinkware, 70mai, Xiaomi, etc., which are more reliable.
- At least one year of local maintenance <br>After-sales support is available in case of any problems.
8. Legal compliance and installation location
- Do not block the driver's view <br>The installation location of the car cam must comply with the law, and it is usually recommended to be close to the rearview mirror.
- Comply with privacy regulations <br>Do not make the video clips public or disseminate them at will.
9. Other features
- GPS positioning <br>Can record driving route and speed information.
- Voice prompts/voice control <br>Convenient operation while driving.
- Emergency recording button <br>Users can manually lock important clips.
10. Price and cost performance
- Weigh the functions and prices <br>The more expensive one is not necessarily the best, you need to choose according to your actual needs.
- Avoid purchasing unlicensed parallel-imported products or products of unknown origin <br>to avoid repair failure or data leakage.
summary
When choosing a car cam, you should pay attention to: image clarity, night vision, storage capacity, front and rear recording, installation method, parking recording, brand maintenance, installation location and regulations, and ease of operation.
If it has a specific purpose (such as trucks, taxis, Uber), you should choose the corresponding function.
If you need recommended models or comparisons, please feel free to add your needs.
