10pcs Blue 22mm Voltage Measuring Instrument Mini Voltage Meter Colorful AC 20~500V AD101-22VM Indicator Voltmeter

Specification: Lighting Source: LED Color of lamps: Blue Voltage: 20V-500V Nature of supply: AC Environmental Temperature: -25+55 Relative Air Humidity: 98% Protection Degree: Head IP65 Leakage Index: CT1100 Frequency: AC 50-60Hz Life of continuous working: Typically over 30,000 hours. Pollution rank is three grade and installation category is III Working under vibration frequency 2-80Hz, acceleration at 0.7g Package included: 10 x AC 20~500V AD101-22VM Indicator Voltmeter