Circuit Test Tool for Fast and Accurate ShortCircuit Detection Designed for capacitorresistor power supply and component shortcircuit testing, this tool quickly identifies faulty components in cell phone and computer motherboard power supply circuits. Speeds up troubleshooting by pinpointing the location of shortcircuits, improving accuracy and efficiency. Overload Protection for Safe Operation Builtin protection against overheating, overcurrent, and overvoltage to ensure safe use. Voice prompts and positive/negative identification provide clear guidance during testing. Automatically activates protection if current exceeds 30A to prevent damage to the device and extend its service life. RealTime Display and Rapid Detection Displays current and voltage in real time for precise monitoring and analysis. Capable of detecting shortcircuit faults within seconds, reducing downtime in repairs. Suitable for a wide range of devices, including smartphones, desktop computers, and laptops. Durable Aluminum Alloy Construction Made from rugged aluminum alloy with anodized finish for enhanced resistance to wear and corrosion. Compact and easy to handle for both field work and workshop use. Practical Applications 1. Diagnose shortcircuits in smartphone logic boards during electronic . 2. Test and locate faults in desktop and laptop motherboard power supply sections. 3. Verify and troubleshoot automotive electronic circuits without risk of overload or burnout. Specifications Shortcircuit detection for capacitorresistor power supplies and components Current overload protection activated at 30A Realtime current and voltage display Voice prompt guidance Positive/negative polarity identification Material: Aluminum alloy with anodized finish This circuit test tool is an essential addition to any electronic professional's toolkit, offering reliable protection, quick detection, and durable performance for accurate fault identification.