双色球组选计算公式: PA-20

Models List:?PA-20, PA-2010, PA-21, PA-2110

? Sharp and bright color TFT QVGA display.
? Ergonomic, compact, robust and lightweight.
? Bluetooth?technology.
? 1.2m(4 ft.) drop resistance.
? IP54 protection class.
? Quick attach handle.
? Extremely long operation hours.

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