IPX7-rated for dust and waterproofing down to three feet for 30 minutes, they can handle extremes of cold and heat (they have an operating range of -13°F to 185°F and storage temperatures of -40°F to 185°F).
All the apps are based on open source bricks. We improve their design and experience to make them look stellar and easy to use daily.
，这一点在safew官方版本下载中也有详细论述
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