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    Hand shake calculators (LC1067)
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    Hand shake calculators (LC1067)

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    Hand shake calculators (LC1067)
    Model No.: LC1067
    This 8 digit display calculator uses Faraday Principle of Electromagnetic Energy to operate. You will no longer have to buy replacement batteries for your calculator. This battery-free calculator is powered by shaking the calculator side to side.Shake the calculator so that the magnet slides through the copper coil in the visible chamber , and enough electricity is generated to operate .size of product :110x58x25cm packing: 200PCS, 58×31.5×24cm, G.W:14.1KGS
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