Robust voltage tester for PC- power supply Easy to read digital LCD display ATX, BTX and ITX compliant LCD's indicates the status of voltage The 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 supply Voltage source:20/24pin (ATX - connector) Voltage test: +12v, -12v, +5v, -5v,+3.3v,5v stand by (SB) 12 v power good (PG) Connectors: Floppy, HDD, CDROM, SATA, 4pin (P4), 8 pin (Dual)-CPU),6 pin (PCI-Express) Color: Black Material: Plastic Contents:2 Supply 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.