Mini size Digital Photo Laser digital tachometer Non Contact High Accuracy anemometer MPU LCD Display Handheld

Features:
Can preset up to 9 impeller quantities, measure more accurately.
Hold maximum value, minimum value, and the last measured value.
Clearly show the operation instruction and unit symbols.
Automatic range conversion and maintain measurement data automatically.
Selectable unit of the rotate speed between RPM and RPS.
With low battery indication and LCD backlit display.
Automatic power off after being idle for 10 mins.
Combine the latest microprocessor technology and laser technology, more intelligent and reliable.
Mini size, handheld and portable.
Specifications:

Package Includes:
1 * Tachometer
3 * Reflective tape mark
1 * Instruction manual (English)