So while these cameras may be accurate for the most part, it is not perfect and can be susceptible to errors. The main problem with this method is that there are so many things that could go wrong based on factors like a damaged GPS tracking sensor in your car, faulty dashcam configuration, or even where you’re driving due to mountains blocking signals. The problem with this method is it can show errors since there are many factors that can cause fluctuations in rotations per minute. The primary way they do this is by counting the number of times one tire passes over a single point in space, typically located on your steering wheel. The speedometer in your car relies on the rotation of tires and/or the drive shaft in the car to measure speed. However, both have a specific challenge when giving you the exact reading for your car speed. Dash cams are accurate to within +/- 0.25% which means they can be relied upon for accuracy in recording your speeds when driving with one of these gadgets installed on the dashboard as long as it’s properly calibrated and functioning correctly. Granted, the Nextbase app isn’t the easiest to use, but Alexa and what3words integration work extremely well, and have the potential to increase safety out on the road.Read: Top Quality Rearview Mirror Cameras Dash Cam vs Speedometer: What’s the Pick?īoth dashcam and speedometer are fairly accurate in measuring speed.Ī typical car will have a speedometer reading that is off by about +/- 0.20%. The Nextbase 622GW is a clever little unit that now produces fantastic footage. The sensitivity of this can be adjusted via the touchscreen display, but there’s also a handy Parking Mode that will automatically record footage if the G Sensor is activated, even when the camera isn’t drawing power. Like most cameras on the market, the 622GW features a built-in G-Sensor, which will automatically save footage to the device if it detects a bump or crash. These cost around $25 / £30 / AU$45, but opting for anything smaller will seriously restrict recording times. The improvements in sensor and processor technology means the resulting files are large, and Nextbase suggests investing in a 128GB U3 SD card, which isn’t supplied with the unit. New image stabilization technology also does its bit to ensure buttery smooth footage, cleverly soaking up bumps and vibrations from potholes or poor road surfaces. Its 140-degree viewing angle isn’t the most extreme on the market, but it easily captures everything through the windscreen, and both its low-light and extreme weather recording modes, which use clever algorithms to improve the quality of the image, are great for capturing crisp footage in difficult situations. We could imagine the app and its connection issues becoming frustrating to use if you were desperately trying to review footage directly after an incident, and this is something Nextbase, in our opinion, needs to address.īut otherwise, the 622GW is an extremely easy camera to set up and use. It is, however, much simpler to plug the camera into a laptop or PC to access the footage, and playback is far slicker this way. The set-up process is still a little fiddly and time-consuming, and the Wi-Fi connection between devices sometimes fails, but we managed to retrieve some imagery and footage after a few attempts. Previous generations of Nextbase dash cams have been massively frustrating to use, often failing to provide a stable connection to transfer still images and video between phone and camera, but things have improved.
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