FNIRSI-FNB58 USB Tester Voltmeter Ammeter TYPE-C Fast Charge Detection Trigger Capacity Measurement Ripple Measurement

FNIRSI DMT-99 Digital Multimeter 9999 Counts Smart Professional Tester 1000V 10A True RMS Auto Range AC DC Ohm Hz Capacitance

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

FNIRSI LPM-10A Smart Multifunction Cable Tracker And Network Tester with 2.4 Inch Color Screen Cable Tracing Length and Crimp Test PoE NCV Detection Port Flashing Type-C Charging 1500mAh Battery fathersdaygift

FNIRSI DSO-510 Handheld Oscilloscope/DDS Signal Generator 2 in 1 Digital Portable Automotive Oscilloscope 2.8 inch TFT 10MHz Bandwidth 48MS/s Sampling Rate Trigger Function Auto/Nomal/Single

FNIRSI 2D15P 100MHz Digital Oscilloscope Multimeter DDS Signal Generator 3 in 1 2CH Automotive Oscilloscope Multimeter 19,999 TRMS Counts 500MS/s Sampling 4.3 Touch Screen fathersdaygift