Feature:1. Uses the laser for precise measurement.2. Wide measuring distance from 50 to 200mm.3. LCD display with backlight for clear indication.4. Includes RPM and Count measurement.5. Max. / Min. value measurement.6. Includes low battery indication, data storage and auto power off function.7. Uses the for precise measurement.Specification:This Digital Tachometer is used to detect rotate speed, linear velocity or frequency of motor. It can be widely used in motor, fan, washing machine, automobile, airplane and other industries.Features:Uses the laser for precise measurement.Wide measuring distance from 50 to 200mm.LCD display with backlight for clear indication.Includes RPM and Count measurement.Max. / Min. value measurement.Includes low battery indication, data storage and auto power off function.Specifications:Color: Red + BlackMaterial: ABS Display: LCD Backlight DisplayMeasuring Distance: 50 ~ 200mm*Measuring Range: RPM: 10 ~ 9999.9r/min, 10000 ~ 99999r/minCOUNT: 0 ~ 99999*Resolution: RPM: 0.1r/min, 1r/minCOUNT: 1 digitAccuracy: ±(0.04%+2)Power Supply: 3 * 1.5V AAA Battery(NOT Included)Operation Environment: 0~50°C / 32~122°FStorage Environment: -20~60°C / -4~140°FItem Size: Approx. 11.9 * 5.1 * 2.8cm / 4.7 * 2 * 1.1inItem Weight: Approx. 83g / 2.9ozPackage Size: Approx. 17.8 * 6.4 * 4cm / 7 * 2.5 * 1.6inPackage Weight: Approx. 117g / 4.1ozPacking List:1 * Digital Tachometer1 * User Manual(English)Package List:1 * Digital Tachometer1 * User Manual(English)