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Keep one light for the one who come home late in the night. Even when the one is single can feel the warm and comfortable reception when seeing the mild light. When one get to the door, no rush to turn on the light in the dark. Instead an automatic sensed lightening system- Calla will light up the room. Calla is a portable lamp that utilize microwave charging technology to charge in the lamp base during day time. It looks like a big vase in the house. Users can bring the lightening calla to their rooms by simply press the pole from the base. The lightening calla can be placed in any container. The pole is packed up when carried by hand.
National Taiwan University of Science and Technology