AC 20-500V Square Digital LED Voltmeter Voltage Gauge Meter Tester 5Color
Volt.: 20V–500V. Lighting Source: LED. Frequency: AC 50-60Hz. Error Range: ± 1%. Pollution rank is three grade and installation category is III. If you don’t receive. We will be happy to resolve. All products are quality checked.
10pc AC20-500V 22mm LED Light Panel Digital Voltage Volt Meter Display Voltmeter
Volt.: 20V–500V. Pollution rank is three grade and installation category is III. Lighting Source: LED. Life of continuous working: Typically over 30,000 hours. The end of life for a lamp is not usually a sudden failure.