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“Weather helper” is a clock that can detect ultraviolet (UV) rays and also power by solar light. When People want to know the weather, such as the temperature of indoors and outdoors and the UV rays. This device can provide precisely information. The energy of “Weather helper” is generated by solar panel. Through thermometer and UV detector on Weather helper, the frame and the middle area of transparent panel on weather helper can show the information of scales of UV ray by different color indicate different level of UV ray.