Description: The power supply tester is a robust voltage tester for PC-power supply, preventing your computer from damage. To test power supply Voltage source: 20/24 pin (ATX connector) The test power supply 24P (20P) plug into the power tester corresponding to the 24P (20P) socketSee on the right seven lamps (+3.3, -12V, PG, + 5VSB, + 12V, -5V, + 5V) is bright, full light is better The measured power HDD plug into a power socket tester HDD, view the left two lamps (+ 12, + 5V) is bright, full light is better Unplug the power cord from the HDD tester, and then insert the P4 (P6 / P8) plug to the corresponding P4 (P6 / P8) socket, a left view light (+ 12V) is bright Unplug from the power supply tester P4 (P6 / P8) plug, then insert the FLOPPY (floppy) plug FLOPPY socket corresponds to, the view on the left two lights (+ 12V, + 5V) is bright, full light is better Unplug from the power supply tester FLOPPY plug, then insert the plug into the corresponding SATA SATA socket, view left three lights (+ 12V, + 3.3V, + 5V) is bright, full light as well. Specification: Material: Plastic Color: Black Size: Approx. 8*6*2cm / 3.15*2.36*0.79inch Package Includes: 1x Power supply tester
