110V 220V AC Digital Voltmeter Ammeter 50-500V 0-100A Square Round Voltage Current Meter Volt Tester Test Gauge Amp Detector Round Voltmeter Features: Lens Material: PC Lighting Source: LED Voltage: 60V--500V Nature of supply: AC Rated Temp : T90 Life of continuous working: Typically over 30,000 hours. The end of life for a lamp is not usually a sudden failure. Specifications: 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 Package Included: 1 x Mini AC Digital Voltmeter Square Voltmeter Ammeter Specification: Model: Squre Digital Voltmeter Ammeter Material: Plastic Color:Red / White / Green / Blue / Yellow Installation size: 22mm/0.87" Current range: 0-100 (A) Measurement range :AC 50-500 (V) Input voltage :AC 60-500 (V) Working temperature: 0C~50C Size: 15x9cm Weight: Approx.47g~50g Package Included: 1 x Digital Voltmeter Ammeter Square Digital Voltmeter Ammeter Round Digital Voltmeter