5Pcs DIY Metal Measure Security Instrument Measuring Bar Kit Electronic Training Teaching


$24.59

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Description:

Recommended power supply: 3V
Cut out the six pillars in the matching box when installing so that the board can be closed to the shell, this can enlarge the effective dectecting distance.

Diagram:

Note:

Battery is not included.

Package included:

5 x Metal Measure Kit

 

Category: