5X Pen Upgraded Gems Gemstone Selector Reliable Tool

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Description:

Selector II. Easy operation, lightweight.Feature: and audio result indication.The red be showed audio indicator will ring if the .Simple calibration for of various sizes.Accurate and reliable reading work with a testing platform for loose .Suggestion: In order to detect accurately, the proposed correction year.

Specification:

Material: ABS+ AlloySize: 160x40x22mm/ 6.3x1.6x0.87 inchWeight: 130gColor: Black

Package Includes:

1 Piece Selector II(Batteries are not included)(5 Pack)

Note:

1. Please allow 1-3mm error due to manual measurement.2. The instrument is very sensitive to the probe, must be particularly careful to protect, do not use should be the sheath.3. When the preparation of the indicator light is very dark, shows the battery will run out, should be timely replacement batteries.

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