High Precision Speedometer Chronograph, Curtain Speedometer, for Bow And Arrow Speedometer Measuring Tools

Instrument for measuring strokes by pressure
Take your distance for a specific distance test (recommended distance 0.5 meters)
This product has a built-in light source, no external light source is required
It is recommended to use it in low-light environment, and a hood should be added for outdoor use or under strong light conditions
When installing, please check the left and right marks on the light strip, the strip with lights pointing down
Specification:
Working voltage: DC6V (4 AA batteries, self-contained)
Test range: 1-2000MPS (5-6500FPS)
Test error: less than 1%
Dimensions: 330mmX8OmmX40mm (host)
Notice:
Due to lighting and display reasons, there may be color differences between the real object and the photo, please refer to the actual object
The above data is for reference only, the size is measured manually, there may be errors, please refer to the actual product, thank you