[Perfect Packaging]: You will get a high-quality non-contact tachometer with 3 reflective strips, 1 English manual and a blue cloth bag, making it more convenient to use and carry. [Wide Measuring Range]: This is a non-contact tachometer, in which the laser tachometer has a test range of 2.5 RPM to 99,999 RPM (revolutions per minute) to ensure that it can measure a larger range. [High Accuracy]: The LCD digital tachometer can accurately measure the speed value and the sampling frequency is high. The digital tachometer can be clearly displayed on the LCD screen so that high-precision measurement can be achieved. High resolution can reach (0.1 RPM or 1 RPM) [Automatic Memory]: The tachometer can automatically memorize the maximum value, minimum value and last measured value through auto range, so you can better record the data. In addition, the non-contact tachometer is small, lightweight, and easy to carry. [Wide Application]: The digital tachometer can be widely used in many fields, it can be used in motors for metal and wood cutting work, and can also be used in wheels, lathes, electric fans, papermaking, plastics industry, automobile manufacturing and other fields. Specification: Color: orange + gray Bag color: blue Tachometer size: 131 × 70 × 29 mm Test range: 2.5 rpm ~ 99,999 rpm (revolutions per minute) Resolution: 0.1 rpm (revolutions per minute) (2.5 ～ 999.9 rpm) 1 rpm (revolutions per minute) Sampling time: 0.8 seconds (above 60 rpm) Effective measuring distance: 50 mm ~ 500 mm (laser light source) Range selection: automatic switching Power source: single 6F22 9V battery Power consumption: about 35mA Package Contents: 1 * Digital Tachometer 1 * Blue Cloth Bag 1 * English Manual 3 * Reflective Tape Suggest: 1. Before using the digital tachometer for measurement, first stick the reflective tape on the target object. 2. Do not point the laser beam directly at your eyes. 3. Do not use non-contact tachometers near explosive gases or other potentially explosive areas. Service: We have always been committed to providing our customers with the best service. If you have any questions about our LCD digital tachometer, you can contact us by email, and we will solve the problem and provide you with assistance as soon as possible.