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Function: send images and accept the image, close case sheet gem will emit light of different colors.
Use method: when the distance will be issued a red light, when the distance of five hundred meters is a blue light in the one hundred meters,gem, bright light will continue after a few minutes of auto dimming, in five hundred meters is not luminous, white. This ring also can give the other party to send 3D image, as long as according to the gem button, can through the camera recording photography object, release the button can be automatically sent to each other, they receive, gem will be flashing red light, click will be able in the gem abov
South China University of Technology
Guangzhou, China
kaifa zheng,
South China University of Technology