A dashcam of this caliber is a pretty high-tech piece of equipment. When you think about it from an engineering perspective, capturing high quality full HD video takes a large amount of computer processing power. Until a few years ago, any camcorder recording in full HD at 30 frames per second would have been at least 5 times the size of these cameras. Add in all of the additional features (WiFi, GPS tracking, G-sensors, and more), and put them in a tiny package, and heat is the by-product of all that data processing that is going on. But not to worry. Earlier dashcam models from BlackVue did suffer some heat-related problems, but their engineering team took on those issues head first and resolved them before putting out the DR500 and DR550 (and subsequently the DR600, DR650, DR590 and DR750S). That's the beauty of the iterative design process! The case of the dash cam itself is actually used as a heat-sink (notice the nice vents you see along the top and bottom of these models), so that's why you may notice it is warm or hot to the touch. Don't worry, this is normal, and your BlackVue is operating as designed.
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