Specification Brand : Garosa BulletPoint1 : 5 Colors: The AC frequency meter is of 5 different colors, red, white, blue, green,yellow, you can choose one according to your preference BulletPoint2 : High Accuracy: The AC frequency meter is of high accuracy of ±2%, helping to provide you data BulletPoint3 : Clear Display: The AC frequency meter is of clear display, exquisite workmanship, long service life, and stable working performance BulletPoint4 : Main Feature: Produce Name: LED Hz Indicator; Measurement range :20-75 (Hz); Accuracy :±2%; Input amplitude :80-500 (V); Applicable: circuit frequency measurement BulletPoint5 : 20-75hz Measurement Range: The AC frequency meter is of wide measurement of 20-75Hz Color : Blue IncludedComponents : No ItemName : Garosa AC Indicator Light, AC Round Frequency Meter LED Digital Display Hz Frequency Indicator Light, Multi Testers (Blue) ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 8 centimeters ItemPackageDimensions_Width : 6 centimeters ItemTypeKeyword : voltage-testers Manufacturer : Garosa MeasurementAccuracy : 0.1mm ModelName : Garosav1eusd7o69-03 ModelNumber : Garosav1eusd7o69-03 NumberOfItems : 1 PartNumber : Garosav1eusd7o69-03 PowerSourceType : Corded Electric ProductDescription : Specification: Model: ST16HZ Measurement range :20-75 (Hz) Accuracy :±2% Input amplitude :80-500 (V) Applicable: circuit frequency measurement Color: red, white, blue, green,yellow(Optional) Weight: Approx.19g~21g/0.7oz~0.7oz