Robust voltage tester for PC- power supplyEasy to read digital LCD displayATX, BTX and ITX compliantLCD's indicates the status of voltageThe PC/SPS is suitable for the ambitious hobby user as well as for a quick functional check in trade. This is a brilliant tool for testing correct voltage outputs for a 20 / 24 pin ATX pc power supplyVoltage source:20/24pin (ATX - connector)Voltage test: +12v, -12v, +5v, -5v,+3.3v,5v stand by (SB) 12 v power good ()Connectors: Floppy, HDD, CDROM, SATA, 4pin (P4), 8 pin (Dual)-CPU),6 pin (PCI-Express)Color: BlackMaterial: PlasticContents:1 x Power Supply TesterNote: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.