Features: DIGIFLEX POWER SUPPLY TESTER; This power detection tool for BTX ITX, BTX, ITX, LCD display of various voltages and values, test computer power without battery. PROTECTIVE; LCD power supply tester can test the computer power supply and avoid damage to your expensive computer equipment. SUITABLE FOR; The power supply tester is suitable for the computer enthusiast as well as professionals. LCD FEATURE; Outputted Voltages shows on the LCD Screen, which is easy to read (The LCD screen is powered by 20-pin / 24-pin connector). It comes with a protective film which can be removed if desired. EASY TO USE; Power on the supply of power, will hear "DuDu" ring, if then the power supply output voltage is normal. If a certain voltage signal was not detected, or the detected voltage value over the normal, the device will issue alarm. Specifications: Material: Metal Size: 12.5x6.4x1.8cm Package Includes: 1PC BTX ITX Power Supply Tester note: Please allow 1-3mm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the picture may not reflect the actual of the item.