AC 20-500V LED Digital Voltage Meter 110V 220V Voltmeter Indicator(Yellow Color)

22mm AC 60-500V Round Digital LED Voltmeter Voltage Gauge Meter Tester Yellow Color Pack of 10 Item Description: Lighting Source: LED Color of lamps: Yellow Volt.: 60V–500V Nature of supply: AC Rated Temp: T90 3. Main technical parameters Environmental Temperature: -25+55 Working under vibration frequency 2-80Hz,acceleration at 0.7g Relative Air Humidity: 98% Pollution rank is three grade and installation category is III Protection Degree: Head IP65 Voltage of working frequency: 2.5kV (AC valid value), 1min Leakage Index: CT1100 Frequency: AC 50-60Hz Error Range: ± 1% Life of continuous working: Typically over 30,000 hours. The end of life for a lamp is not usually a sudden failurePackage Included: 10pcs Yellow