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Premium Wall Scanner Stud Finder, Electronic Wall Stud Detector for Wood, Metal Studs, AC Wires, Joists, Pipes, Wire and Water Pipe Stud Finder, Visible Positioning Hole for Accurate Center Detection

Premium Geiger Counter Radiation Detector, Rechargeable Nuclear Radiation Dosimeter, Portable Handheld Beta Gamma X-ray Monitor Meter with LCD Display, 5 Dosage Units Switched Nuclear Detector

DMT-99 Digital Multimeter 9999 Counts Smart Professional Multi Tester 1000V 10A True RMS AC/DC Auto Voltmeter Ammeter, Intelligent Anti-Burn Diode, NVC Tester, 2.4-inch TFT Display

3-in-1 Handheld Digital Lab Oscilloscope Multimeter DDS Signal Generator Professional Lab Meter Test Instrument, 10MHz Bandwidth, 2 Channels, 50MSa/s Sampling Rate, Rechargeable, 10000 Counts

Premium Advanced Handheld 3-in-1 Oscilloscope Multimeter, 10M Sa/s Sampling Rate Signal Generator, Transistor Tester with 500Khz Bandwidth, 6 Waveform Types Transistor Measurement