Size:Sphere Storm Glass LED Weather Monitor How this storm glass really works is a mystery, but it is believed that electromagnetic changes in weather patterns activate crystals inside (sealed-glass chamber fills with crystals when air pressure decreases).A storm glass works on the premise that temperature and pressure affect solubility, sometimes resulting in clear liquid; other times causing precipitants to form. However, the method by which this works is not fully understood. Although it is well-established that temperature affects solubility, some studies have simultaneously observed several different storm glasses forming similar crystal patterns at different temperatures. In addition, sealed glasses are not exposed to atmospheric pressure changes and do not react to the pressure variations associated with weather systems. Key Features: • The appearance of the liquid transform from clear to cloudy to crystal flakes. • Predict the weather will be clear, cloudy, snow or thunderstorms. • Stylish wood stand with built-in LED light, on/off switch and USB cable. • Sphere shape glass contain liquid repeat the crystallization of various expressions, depending on the weather changes. • Use it to decorate the living room, bedroom and table is very beautiful and fashion. • Size: 4.75"W x 4.75"L x 6"H Note: the Storm Glass may need one or two weeks for the crystal to stabilize and adapt to the environment. Do not place in direct sunlight or heating and air conditioning to avoid deterioration of the crystal!!! Package Includes? Storm Glass Barometer LED Wood Stand USB Cable Elegant Gift Box
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