FNIRSI GC-03 3-IN-1 Electromagnetic Radiation Detector Electric & Magnetic Field Strength RF Power Temperature Monitor fathersdaygift

FNIRSI DPOS350P 4in1 Tablet Oscilloscope 2 Channel 350MHz Signal Generator 50MHz Spectrum Analyzer Frequency Response Analyzer fathersdaygift

FNIRSI WD-01 Metal Detector Wall Scanner with Newly Designed Positioning Hole for AC Live Cable Wires Metal Wood Stud Find

FNIRSI DMC-100 DC AC Current Voltage Clamp Meter Multimeter USB Charger 10000 Counts 600A Amperimetric Clamp Tester NCV Electrician Tools

FNIRSI GC-01 Geiger Counter Nuclear Radiation Detector Personal Dosimeter X-ray γ-ray β-ray Radioactivity Tester Marble Detector

FNIRSI LPM-10A Multifunctional Network Cable Tracker with 2.4-inch Color Screen PoE Detection & Type-C Charging