ST17HZ 22mm Square LED Digital Hertz Meter Signal Lights AC Frequency Signal Indicator 0-99Hz Frequency Meter Indicator Tester

ST17HZ 22mm Square LED Digital Hertz Meter Signal Lights AC Frequency Signal Indicator 0-99Hz Frequency Meter Indicator Tester
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sku: 1005006858298805
$3.85
Shipping from: China
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