AC Frequency Meter Frequency Indicator Light Weight Accurate Clear Industry

Feature: \n 1. Wide working voltage range from 100~380V that can be used in many kinds of circuits.\n2. The frequency measuring range is 20~75hz.\n3. The meter can measuring the frequency accurately without error.\n4. Digital display makes the frequency more clear to read.\n5. Compact designed for small size and light weight and also makes it can be carried easily. \n\nSpecification: \nFeatures:\n\n--\n\nWide working voltage range from 100~380V that can be used in many kinds of circuits. \n\n--\n\nThe frequency measuring range is 20~75hz. \n\n--\n\nThe meter can measuring the frequency accurately without error. \n\n--\n\nDigital display makes the frequency more clear to read. \n\n--\n\nCompact designed for small size and light weight and also makes it can be carried easily. \n\nSpecification:\n\nColor:White/Red/Yellow/Blue/Green(Optional)\n\nWorking Voltage:100~380VAC \n\nFrequency Measuring Range:20~75Hz\n\nPackage List:\n\n1 x Indicator\n\nNote:\nPlease note that the new type :