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Detect Various Fast Charging Protocols
This USB tester is designed to detect voltage, current, capacity, electric quantity, power, temperature, resistance, charging time and other data of the USB C devices, which is convenient for testing power supply and quality.LEARN MORE -
Multifunctional USB tester
This USB test is often used for the quality check of digital devices with USB-A and Type-C peripheral devices. it can detect QC2.0/QC3.0, voltage/electricity/power/capacity detection, cable impedance measurement. Also be used to test the capacity and the electrical energy of the power bank.4.5 V-24.0 V 0-8.0a.LEARN MORE -
Professional security protection
Equipped with overvoltage protection, overcurrent protection, undervoltage protection, low -energy protection. This improved USB Type C tester can recognize security and protect the devices from damage. The output is automatically interruptedLEARN MORE -
One-Click RCD Test
Plug and play design. YOJOCK socket tester are equipped with an color LCD display, showing at a glance if the socket is wired properly (Green for Good, Orange for wiring problems), even laypeople can use the outlet tester to quickly and accurately check the voltage and wiring statusLEARN MORE
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USB Tester
Detect the electronic products voltage, current and other dataLEARN MORE> -
Data cable card board
Stay Connected. Stay Fit. Stay AheadLEARN MORE> -
EMF Detector
Electromagnetic Field Radiation DetectorLEARN MORE> -
Electrical GFCI Receptacle Detector
Quickly and accurately detect socket wiring failuresLEARN MORE>
Influencers & Creators Program
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Influencer Product Reviewer
We are also seeking a talented and experienced influencer to review and promote ourcutting edge products including backup cameras and dash cameras.Test Now>> -
Influencer Produc t Reviewer
We are also seeking a talented and experienced influencer to review and promote ourcutting edge products including backup cameras and dash cameras.Test Now>>
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