Thước đo góc điện tử Holex 3 bề mặt có nam châm

Version:

Sturdy metal housing with 2 strong magnets on the base and on each of the flat side faces.
Angular measurement reading on the large LCD display.
The display rotates automatically for angles greater than 90°.
Angle can be displayed to the horizontal or between two faces (absolute and relative measurement).

Supplied with:

1 battery No.
081551 size 6LR61.

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