Features: LCD displays parameters such as output voltage and PG. When each parameter exceeds the normal value, the buzzer will emit a warning sound and the corresponding value will flash. Overview: The power supply tester is a powerful power supply test equipment. This power supply tester only needs to connect to the ATX connector of the power supply to easily and intuitively know whether the output of the power supply is normal. It can detect ATX, BTX, ITX, TFX computer power supply, and can display each group of voltage and PG value on the LCD to quickly detect the performance of the computer power supply. Colour: black Material: metal Size: 126x64x18.5mm Package Contents: 1 * Power Tester Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.