Model No.:RHD-101
Product Origin:China
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Description:Features: 1) Touch design 2) Display: LCD screen, 63.5 x 50.8mm 3) Dimensions: 136.8 x 77.5 x 20.5mm 4) Power supply: DC 3V (button battery AAA x 2) 5) Rules: fill in the grid of every row, every column, and every 9x9 box 6) Level: easy/medium/hard