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This product is an bulb used in earthquake or blackout. The bulb falls dwon automatically in emergency bt IoT technology. There are magnetic parts in converter and bulb. So it can be attached each other with out helix structure. When the disater begin (like Earth-quake) the magnetism become weak automatically and falls down to the ground. So people can use it for flash lights. And it can be lasted for 72 hours. Also It is made of silicone. So, It is not fragile and do not make hurt people.
Jeju Natl Univ
Jeju city, South Korea