Non-Contact Digital Tachometer BENETEC GM8905

This device measures the rotational speed of rotating objects without physical contact.
It measures the number of rotations by attaching a reflective sticker to the object and irradiating it with laser light.

Dimensions: Height 13cm, Width 5.5cm, Depth 3cm

Please provide 2 AAA batteries for power.

Accessories are as shown in Photo 5:
English instruction manual, 3 reflective tapes, and 1 cleaning cloth.

Please refer to Photos 6 and 7 for product specifications.