Specification BatteriesIncluded : 1 BatteriesRequired : 1 Brand : SZYDD BulletPoint1 : This is a Not-contact handheld digital photo tachometer with stable performances. BulletPoint2 : Wide measuring ranges from 2.5RPM to 99999RPM and high resolution of 0.1RPM or 1RPM. BulletPoint3 : High samplings frequency, clear LCD display, high measuring accuracy. BulletPoint4 : This tachometer can automatically record the maximums value, min value and last value. BulletPoint5 : With auto ranges, low battery indication and other functions. Color : Black ExternallyAssignedProductIdentifier : 7641820550462 IncludedComponents : Bottle Cap Torque Meter ItemName : SZYDD Tachometer Not-Contact Digital Tachometer Photo Tachometer 2.5-99999RPM High Accuracy Tachometer ABS ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 20 centimeters ItemPackageDimensions_Width : 8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : industrial-tachometers Manufacturer : SZYDD Material : ABS MeasurementAccuracy : 1 ModelName : SUMOR941 ModelNumber : Mavaolacxsnfkm98 NumberOfItems : 1 NumberOfLithiumIonCells : 1 PartNumber : 13AC806593_jiajun ProductDescription : Features: This is a Not-contact handheld digital photo tachometer with stable performances. Wide measuring ranges from 2.5RPM to 99999RPM and high resolution of 0.1RPM or 1RPM. High samplings frequency, clear LCD display, high measuring accuracy. This tachometer can automatically record the maximums value, min value and last value. With auto ranges, low battery indication and other functions.