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This PC power supply tester adopts sturdy aluminum alloy casing with solid texture and excellent heat dissipation performance. Equipped with a 1.8-inch high-definition LCD screen, it intuitively displays real-time voltage data of each channel. It supports mainstream interfaces including ATX, ITX, IDE, HDD, SATA, BYI and 20/24Pin motherboard power ports. It can automatically identify power supply voltage anomalies, short circuits and hardware faults, helping you quickly eliminate PSU and motherboard power failure problems. Plug and play with simple operation, it is a must-have professional diagnostic tool for computer maintenance technicians and DIY enthusiasts.