1.advanced quality and accuracy 2.best cost performance 3.selling aroud the world already FUNCTION1.multiplication to calculate area,volume.2.addition operation of length.3.accumulate operations of area measurement.4.accumulate operations of volume measurement.5.low battery indicating.6.automatic shutdown.7.two units transversion:m,ft/in.8.with laser dot as guidance.9.press ft/m button for 2 ...
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