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Calculator DoubleCheck XL Voice for partially sighted and the blind, large display with figures of 25 mm high and Dutch talking (on request English or German) with versatile calculating functions, large white buttons of 15 x 15 mm with black figures, 10 memory spaces, adjustable announcement, time, date and alarm function, adjustable volume and earphones connection, weight 487 grams, dimensions 210 x 170 x 45 mm, colour blue, including 4 AA batteries.Optional adapter art. 930110.