Magic luminous cup LED lamp is dazzling

Only need to put a special cup cover to the water loaded travel cup, an ordinary cup can shine in the night, become a veritable luminous cup. The mystery of the luminous cup is on the cup cover, which absorbs energy from the solar panel on the top of the lid, and supports the LED lamp on the cup cover. At this time, the water in the bottle becomes a lens to enlarge the range of illumination. In addition, the cup cover is also equipped with a solar sensor, the sun came out, LED lamp will stop working, to avoid wasting electricity. Luminous cup design