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Exist is not only directs the exit way but also provides water, flashlight and life signal. The device is made of ten bottles and a holder. Each bottle has a LED flashlight and an active RFID tag, which will send position signal, on the cap. When the water valve button is turn on, it will allow the water into the water-activated battery inside the cap, and then make the flashlight and RFID tag work. Once any of the bottles is taken out, the holder will recieve signal from the taken bottle and then strengthen the signal sending to the rescue team to let them know where the bottle holders are if they got stuck or bury alive in the disasters.
National Taiwan University of science and technology
National Yunlin University of
Science and Technolofy
New Taipei, Taiwan